81874494

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 199879680

約数和(自身を除く): 118005186

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 79, 86, 103, 117, 129, 158, 206, 234, 237, 258, 309, 387, 474, 559, 618, 711, 774, 927, 1027, 1118, 1339, 1422, 1677, 1854, 2054, 2678, 3081, 3354, 3397, 4017, 4429, 5031, 6162, 6794, 8034, 8137, 8858, 9243, 10062, 10191, 12051, 13287, 16274, 18486, 20382, 24102, 24411, 26574, 30573, 39861, 44161, 48822, 57577, 61146, 73233, 79722, 88322, 105781, 115154, 132483, 146466, 172731, 211562, 264966, 317343, 345462, 349891, 397449, 518193, 634686, 699782, 794898, 952029, 1036386, 1049673, 1904058, 2099346, 3149019, 4548583, 6298038, 9097166, 13645749, 27291498, 40937247, 81874494]

約数ペア:

[(1, 81874494), (2, 40937247), (3, 27291498), (6, 13645749), (9, 9097166), (13, 6298038), (18, 4548583), (26, 3149019), (39, 2099346), (43, 1904058), (78, 1049673), (79, 1036386), (86, 952029), (103, 794898), (117, 699782), (129, 634686), (158, 518193), (206, 397449), (234, 349891), (237, 345462), (258, 317343), (309, 264966), (387, 211562), (474, 172731), (559, 146466), (618, 132483), (711, 115154), (774, 105781), (927, 88322), (1027, 79722), (1118, 73233), (1339, 61146), (1422, 57577), (1677, 48822), (1854, 44161), (2054, 39861), (2678, 30573), (3081, 26574), (3354, 24411), (3397, 24102), (4017, 20382), (4429, 18486), (5031, 16274), (6162, 13287), (6794, 12051), (8034, 10191), (8137, 10062), (8858, 9243)]