1621040464

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1220663}}^1$

素因数の和:1220754

約数の個数: 20

約数和(自身を含む): 3178609056

約数和(自身を除く): 1557568592

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1220663, 2441326, 4882652, 9765304, 19530608, 101315029, 202630058, 405260116, 810520232, 1621040464]

約数ペア:

[(1, 1621040464), (2, 810520232), (4, 405260116), (8, 202630058), (16, 101315029), (83, 19530608), (166, 9765304), (332, 4882652), (664, 2441326), (1328, 1220663)]