31187988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 85857408

約数和(自身を除く): 54669420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 412, 468, 618, 647, 927, 1236, 1294, 1339, 1854, 1941, 2588, 2678, 3708, 3882, 4017, 5356, 5823, 7764, 8034, 8411, 11646, 12051, 16068, 16822, 23292, 24102, 25233, 33644, 48204, 50466, 66641, 75699, 100932, 133282, 151398, 199923, 266564, 302796, 399846, 599769, 799692, 866333, 1199538, 1732666, 2399076, 2598999, 3465332, 5197998, 7796997, 10395996, 15593994, 31187988]

約数ペア:

[(1, 31187988), (2, 15593994), (3, 10395996), (4, 7796997), (6, 5197998), (9, 3465332), (12, 2598999), (13, 2399076), (18, 1732666), (26, 1199538), (36, 866333), (39, 799692), (52, 599769), (78, 399846), (103, 302796), (117, 266564), (156, 199923), (206, 151398), (234, 133282), (309, 100932), (412, 75699), (468, 66641), (618, 50466), (647, 48204), (927, 33644), (1236, 25233), (1294, 24102), (1339, 23292), (1854, 16822), (1941, 16068), (2588, 12051), (2678, 11646), (3708, 8411), (3882, 8034), (4017, 7764), (5356, 5823)]