645638762

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{32467}}^1$

素因数の和:32693

約数の個数: 16

約数和(自身を含む): 990403872

約数和(自身を除く): 344765110

約数列:

[1, 2, 61, 122, 163, 326, 9943, 19886, 32467, 64934, 1980487, 3960974, 5292121, 10584242, 322819381, 645638762]

約数ペア:

[(1, 645638762), (2, 322819381), (61, 10584242), (122, 5292121), (163, 3960974), (326, 1980487), (9943, 64934), (19886, 32467)]