397865812

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{4663}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 707547456

約数和(自身を除く): 309681644

約数列:

[1, 2, 4, 83, 166, 257, 332, 514, 1028, 4663, 9326, 18652, 21331, 42662, 85324, 387029, 774058, 1198391, 1548116, 2396782, 4793564, 99466453, 198932906, 397865812]

約数ペア:

[(1, 397865812), (2, 198932906), (4, 99466453), (83, 4793564), (166, 2396782), (257, 1548116), (332, 1198391), (514, 774058), (1028, 387029), (4663, 85324), (9326, 42662), (18652, 21331)]