281814876

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 216

約数和(自身を含む): 882453936

約数和(自身を除く): 600639060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 61, 63, 81, 84, 97, 98, 108, 122, 126, 147, 162, 183, 189, 194, 196, 243, 244, 252, 291, 294, 324, 366, 378, 388, 427, 441, 486, 549, 567, 582, 588, 679, 732, 756, 854, 873, 882, 972, 1098, 1134, 1164, 1281, 1323, 1358, 1647, 1701, 1708, 1746, 1764, 2037, 2196, 2268, 2562, 2619, 2646, 2716, 2989, 3294, 3402, 3492, 3843, 3969, 4074, 4753, 4941, 5124, 5238, 5292, 5917, 5978, 6111, 6588, 6804, 7686, 7857, 7938, 8148, 8967, 9506, 9882, 10476, 11529, 11834, 11907, 11956, 12222, 14259, 14823, 15372, 15714, 15876, 17751, 17934, 18333, 19012, 19764, 23058, 23571, 23668, 23814, 24444, 26901, 28518, 29646, 31428, 34587, 35502, 35868, 36666, 41419, 42777, 46116, 47142, 47628, 53253, 53802, 54999, 57036, 59292, 69174, 71004, 73332, 80703, 82838, 85554, 94284, 103761, 106506, 107604, 109998, 124257, 128331, 138348, 159759, 161406, 164997, 165676, 171108, 207522, 213012, 219996, 242109, 248514, 256662, 289933, 319518, 322812, 329994, 372771, 384993, 415044, 479277, 484218, 497028, 513324, 579866, 639036, 659988, 726327, 745542, 769986, 869799, 958554, 968436, 1118313, 1154979, 1159732, 1437831, 1452654, 1491084, 1539972, 1739598, 1917108, 2236626, 2309958, 2609397, 2875662, 2905308, 3354939, 3479196, 4473252, 4619916, 5218794, 5751324, 6709878, 7828191, 10064817, 10437588, 13419756, 15656382, 20129634, 23484573, 31312764, 40259268, 46969146, 70453719, 93938292, 140907438, 281814876]

約数ペア:

[(1, 281814876), (2, 140907438), (3, 93938292), (4, 70453719), (6, 46969146), (7, 40259268), (9, 31312764), (12, 23484573), (14, 20129634), (18, 15656382), (21, 13419756), (27, 10437588), (28, 10064817), (36, 7828191), (42, 6709878), (49, 5751324), (54, 5218794), (61, 4619916), (63, 4473252), (81, 3479196), (84, 3354939), (97, 2905308), (98, 2875662), (108, 2609397), (122, 2309958), (126, 2236626), (147, 1917108), (162, 1739598), (183, 1539972), (189, 1491084), (194, 1452654), (196, 1437831), (243, 1159732), (244, 1154979), (252, 1118313), (291, 968436), (294, 958554), (324, 869799), (366, 769986), (378, 745542), (388, 726327), (427, 659988), (441, 639036), (486, 579866), (549, 513324), (567, 497028), (582, 484218), (588, 479277), (679, 415044), (732, 384993), (756, 372771), (854, 329994), (873, 322812), (882, 319518), (972, 289933), (1098, 256662), (1134, 248514), (1164, 242109), (1281, 219996), (1323, 213012), (1358, 207522), (1647, 171108), (1701, 165676), (1708, 164997), (1746, 161406), (1764, 159759), (2037, 138348), (2196, 128331), (2268, 124257), (2562, 109998), (2619, 107604), (2646, 106506), (2716, 103761), (2989, 94284), (3294, 85554), (3402, 82838), (3492, 80703), (3843, 73332), (3969, 71004), (4074, 69174), (4753, 59292), (4941, 57036), (5124, 54999), (5238, 53802), (5292, 53253), (5917, 47628), (5978, 47142), (6111, 46116), (6588, 42777), (6804, 41419), (7686, 36666), (7857, 35868), (7938, 35502), (8148, 34587), (8967, 31428), (9506, 29646), (9882, 28518), (10476, 26901), (11529, 24444), (11834, 23814), (11907, 23668), (11956, 23571), (12222, 23058), (14259, 19764), (14823, 19012), (15372, 18333), (15714, 17934), (15876, 17751)]