646733380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1902157}}^1$

素因数の和:1902183

約数の個数: 24

約数和(自身を含む): 1438031448

約数和(自身を除く): 791298068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1902157, 3804314, 7608628, 9510785, 19021570, 32336669, 38043140, 64673338, 129346676, 161683345, 323366690, 646733380]

約数ペア:

[(1, 646733380), (2, 323366690), (4, 161683345), (5, 129346676), (10, 64673338), (17, 38043140), (20, 32336669), (34, 19021570), (68, 9510785), (85, 7608628), (170, 3804314), (340, 1902157)]