400659542

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{23189}}^1$

素因数の和:23407

約数の個数: 16

約数和(自身を含む): 616111920

約数和(自身を除く): 215452378

約数列:

[1, 2, 53, 106, 163, 326, 8639, 17278, 23189, 46378, 1229017, 2458034, 3779807, 7559614, 200329771, 400659542]

約数ペア:

[(1, 400659542), (2, 200329771), (53, 7559614), (106, 3779807), (163, 2458034), (326, 1229017), (8639, 46378), (17278, 23189)]