12321790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 25139808

約数和(自身を除く): 12818018

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 317, 338, 598, 634, 845, 1495, 1585, 1690, 2990, 3170, 3887, 4121, 7291, 7774, 8242, 14582, 19435, 20605, 36455, 38870, 41210, 53573, 72910, 94783, 107146, 189566, 267865, 473915, 535730, 947830, 1232179, 2464358, 6160895, 12321790]

約数ペア:

[(1, 12321790), (2, 6160895), (5, 2464358), (10, 1232179), (13, 947830), (23, 535730), (26, 473915), (46, 267865), (65, 189566), (115, 107146), (130, 94783), (169, 72910), (230, 53573), (299, 41210), (317, 38870), (338, 36455), (598, 20605), (634, 19435), (845, 14582), (1495, 8242), (1585, 7774), (1690, 7291), (2990, 4121), (3170, 3887)]