640513103

素因数分解:

${\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 672798720

約数和(自身を除く): 32285617

約数列:

[1, 31, 109, 131, 1447, 3379, 4061, 14279, 44857, 157723, 189557, 442649, 4889413, 5876267, 20661713, 640513103]

約数ペア:

[(1, 640513103), (31, 20661713), (109, 5876267), (131, 4889413), (1447, 442649), (3379, 189557), (4061, 157723), (14279, 44857)]