645795038

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1488007}}^1$

素因数の和:1488047

約数の個数: 16

約数和(自身を含む): 1142790144

約数和(自身を除く): 496995106

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 1488007, 2976014, 10416049, 20832098, 46128217, 92256434, 322897519, 645795038]

約数ペア:

[(1, 645795038), (2, 322897519), (7, 92256434), (14, 46128217), (31, 20832098), (62, 10416049), (217, 2976014), (434, 1488007)]