645204370

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{284231}}^1$

素因数の和:284465

約数の個数: 16

約数和(自身を含む): 1166488128

約数和(自身を除く): 521283758

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 284231, 568462, 1421155, 2842310, 64520437, 129040874, 322602185, 645204370]

約数ペア:

[(1, 645204370), (2, 322602185), (5, 129040874), (10, 64520437), (227, 2842310), (454, 1421155), (1135, 568462), (2270, 284231)]