31806928

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 63933408

約数和(自身を除く): 32126480

約数列:

[1, 2, 4, 8, 16, 43, 83, 86, 166, 172, 332, 344, 557, 664, 688, 1114, 1328, 2228, 3569, 4456, 7138, 8912, 14276, 23951, 28552, 46231, 47902, 57104, 92462, 95804, 184924, 191608, 369848, 383216, 739696, 1987933, 3975866, 7951732, 15903464, 31806928]

約数ペア:

[(1, 31806928), (2, 15903464), (4, 7951732), (8, 3975866), (16, 1987933), (43, 739696), (83, 383216), (86, 369848), (166, 191608), (172, 184924), (332, 95804), (344, 92462), (557, 57104), (664, 47902), (688, 46231), (1114, 28552), (1328, 23951), (2228, 14276), (3569, 8912), (4456, 7138)]