128909976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1571}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 348606720

約数和(自身を除く): 219696744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 263, 312, 526, 789, 1052, 1571, 1578, 2104, 3142, 3156, 3419, 4713, 6284, 6312, 6838, 9426, 10257, 12568, 13676, 18852, 20423, 20514, 27352, 37704, 40846, 41028, 61269, 81692, 82056, 122538, 163384, 245076, 413173, 490152, 826346, 1239519, 1652692, 2479038, 3305384, 4958076, 5371249, 9916152, 10742498, 16113747, 21484996, 32227494, 42969992, 64454988, 128909976]

約数ペア:

[(1, 128909976), (2, 64454988), (3, 42969992), (4, 32227494), (6, 21484996), (8, 16113747), (12, 10742498), (13, 9916152), (24, 5371249), (26, 4958076), (39, 3305384), (52, 2479038), (78, 1652692), (104, 1239519), (156, 826346), (263, 490152), (312, 413173), (526, 245076), (789, 163384), (1052, 122538), (1571, 82056), (1578, 81692), (2104, 61269), (3142, 41028), (3156, 40846), (3419, 37704), (4713, 27352), (6284, 20514), (6312, 20423), (6838, 18852), (9426, 13676), (10257, 12568)]