31508990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2636

約数の個数: 32

約数和(自身を含む): 60899040

約数和(自身を除く): 29390050

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 2482, 2539, 5078, 6205, 12410, 12695, 25390, 43163, 86326, 185347, 215815, 370694, 431630, 926735, 1853470, 3150899, 6301798, 15754495, 31508990]

約数ペア:

[(1, 31508990), (2, 15754495), (5, 6301798), (10, 3150899), (17, 1853470), (34, 926735), (73, 431630), (85, 370694), (146, 215815), (170, 185347), (365, 86326), (730, 43163), (1241, 25390), (2482, 12695), (2539, 12410), (5078, 6205)]