31311110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2749}}^1$

素因数の和:2840

約数の個数: 32

約数和(自身を含む): 60588000

約数和(自身を除く): 29276890

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 2749, 5498, 5695, 11390, 13745, 27490, 46733, 93466, 184183, 233665, 368366, 467330, 920915, 1841830, 3131111, 6262222, 15655555, 31311110]

約数ペア:

[(1, 31311110), (2, 15655555), (5, 6262222), (10, 3131111), (17, 1841830), (34, 920915), (67, 467330), (85, 368366), (134, 233665), (170, 184183), (335, 93466), (670, 46733), (1139, 27490), (2278, 13745), (2749, 11390), (5498, 5695)]