31389384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 86961600

約数和(自身を除く): 55572216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 109, 142, 156, 169, 213, 218, 284, 312, 327, 338, 426, 436, 507, 568, 654, 676, 852, 872, 923, 1014, 1308, 1352, 1417, 1704, 1846, 2028, 2616, 2769, 2834, 3692, 4056, 4251, 5538, 5668, 7384, 7739, 8502, 11076, 11336, 11999, 15478, 17004, 18421, 22152, 23217, 23998, 30956, 34008, 35997, 36842, 46434, 47996, 55263, 61912, 71994, 73684, 92868, 95992, 100607, 110526, 143988, 147368, 185736, 201214, 221052, 287976, 301821, 402428, 442104, 603642, 804856, 1207284, 1307891, 2414568, 2615782, 3923673, 5231564, 7847346, 10463128, 15694692, 31389384]

約数ペア:

[(1, 31389384), (2, 15694692), (3, 10463128), (4, 7847346), (6, 5231564), (8, 3923673), (12, 2615782), (13, 2414568), (24, 1307891), (26, 1207284), (39, 804856), (52, 603642), (71, 442104), (78, 402428), (104, 301821), (109, 287976), (142, 221052), (156, 201214), (169, 185736), (213, 147368), (218, 143988), (284, 110526), (312, 100607), (327, 95992), (338, 92868), (426, 73684), (436, 71994), (507, 61912), (568, 55263), (654, 47996), (676, 46434), (852, 36842), (872, 35997), (923, 34008), (1014, 30956), (1308, 23998), (1352, 23217), (1417, 22152), (1704, 18421), (1846, 17004), (2028, 15478), (2616, 11999), (2769, 11336), (2834, 11076), (3692, 8502), (4056, 7739), (4251, 7384), (5538, 5668)]