221535468

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:282

約数の個数: 180

約数和(自身を含む): 715733928

約数和(自身を除く): 494198460

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 233, 252, 294, 308, 343, 396, 441, 462, 466, 539, 588, 686, 693, 699, 882, 924, 932, 1029, 1078, 1372, 1386, 1398, 1617, 1631, 1764, 2058, 2097, 2156, 2401, 2563, 2772, 2796, 3087, 3234, 3262, 3773, 4116, 4194, 4802, 4851, 4893, 5126, 6174, 6468, 6524, 7203, 7546, 7689, 8388, 9604, 9702, 9786, 10252, 11319, 11417, 12348, 14406, 14679, 15092, 15378, 17941, 19404, 19572, 21609, 22638, 22834, 23067, 26411, 28812, 29358, 30756, 33957, 34251, 35882, 43218, 45276, 45668, 46134, 52822, 53823, 58716, 67914, 68502, 71764, 79233, 79919, 86436, 92268, 102753, 105644, 107646, 125587, 135828, 137004, 158466, 159838, 161469, 205506, 215292, 237699, 239757, 251174, 316932, 319676, 322938, 376761, 411012, 475398, 479514, 502348, 559433, 645876, 719271, 753522, 879109, 950796, 959028, 1118866, 1130283, 1438542, 1507044, 1678299, 1758218, 2237732, 2260566, 2637327, 2877084, 3356598, 3516436, 4521132, 5034897, 5274654, 6153763, 6713196, 7911981, 10069794, 10549308, 12307526, 15823962, 18461289, 20139588, 24615052, 31647924, 36922578, 55383867, 73845156, 110767734, 221535468]

約数ペア:

[(1, 221535468), (2, 110767734), (3, 73845156), (4, 55383867), (6, 36922578), (7, 31647924), (9, 24615052), (11, 20139588), (12, 18461289), (14, 15823962), (18, 12307526), (21, 10549308), (22, 10069794), (28, 7911981), (33, 6713196), (36, 6153763), (42, 5274654), (44, 5034897), (49, 4521132), (63, 3516436), (66, 3356598), (77, 2877084), (84, 2637327), (98, 2260566), (99, 2237732), (126, 1758218), (132, 1678299), (147, 1507044), (154, 1438542), (196, 1130283), (198, 1118866), (231, 959028), (233, 950796), (252, 879109), (294, 753522), (308, 719271), (343, 645876), (396, 559433), (441, 502348), (462, 479514), (466, 475398), (539, 411012), (588, 376761), (686, 322938), (693, 319676), (699, 316932), (882, 251174), (924, 239757), (932, 237699), (1029, 215292), (1078, 205506), (1372, 161469), (1386, 159838), (1398, 158466), (1617, 137004), (1631, 135828), (1764, 125587), (2058, 107646), (2097, 105644), (2156, 102753), (2401, 92268), (2563, 86436), (2772, 79919), (2796, 79233), (3087, 71764), (3234, 68502), (3262, 67914), (3773, 58716), (4116, 53823), (4194, 52822), (4802, 46134), (4851, 45668), (4893, 45276), (5126, 43218), (6174, 35882), (6468, 34251), (6524, 33957), (7203, 30756), (7546, 29358), (7689, 28812), (8388, 26411), (9604, 23067), (9702, 22834), (9786, 22638), (10252, 21609), (11319, 19572), (11417, 19404), (12348, 17941), (14406, 15378), (14679, 15092)]