31059756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 101920000

約数和(自身を除く): 70860244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 499, 532, 546, 684, 741, 798, 819, 988, 998, 1092, 1197, 1482, 1497, 1596, 1638, 1729, 1996, 2223, 2394, 2964, 2994, 3276, 3458, 3493, 4446, 4491, 4788, 5187, 5988, 6487, 6916, 6986, 8892, 8982, 9481, 10374, 10479, 12974, 13972, 15561, 17964, 18962, 19461, 20748, 20958, 25948, 28443, 31122, 31437, 37924, 38922, 41916, 45409, 56886, 58383, 62244, 62874, 66367, 77844, 85329, 90818, 113772, 116766, 123253, 125748, 132734, 136227, 170658, 181636, 199101, 233532, 246506, 265468, 272454, 341316, 369759, 398202, 408681, 493012, 544908, 597303, 739518, 796404, 817362, 862771, 1109277, 1194606, 1479036, 1634724, 1725542, 2218554, 2389212, 2588313, 3451084, 4437108, 5176626, 7764939, 10353252, 15529878, 31059756]

約数ペア:

[(1, 31059756), (2, 15529878), (3, 10353252), (4, 7764939), (6, 5176626), (7, 4437108), (9, 3451084), (12, 2588313), (13, 2389212), (14, 2218554), (18, 1725542), (19, 1634724), (21, 1479036), (26, 1194606), (28, 1109277), (36, 862771), (38, 817362), (39, 796404), (42, 739518), (52, 597303), (57, 544908), (63, 493012), (76, 408681), (78, 398202), (84, 369759), (91, 341316), (114, 272454), (117, 265468), (126, 246506), (133, 233532), (156, 199101), (171, 181636), (182, 170658), (228, 136227), (234, 132734), (247, 125748), (252, 123253), (266, 116766), (273, 113772), (342, 90818), (364, 85329), (399, 77844), (468, 66367), (494, 62874), (499, 62244), (532, 58383), (546, 56886), (684, 45409), (741, 41916), (798, 38922), (819, 37924), (988, 31437), (998, 31122), (1092, 28443), (1197, 25948), (1482, 20958), (1497, 20748), (1596, 19461), (1638, 18962), (1729, 17964), (1996, 15561), (2223, 13972), (2394, 12974), (2964, 10479), (2994, 10374), (3276, 9481), (3458, 8982), (3493, 8892), (4446, 6986), (4491, 6916), (4788, 6487), (5187, 5988)]