388961208

素因数分解:

$2^3\times 3^2\times {\mathrm{5402239}}^1$

素因数の和:5402251

約数の個数: 24

約数和(自身を含む): 1053436800

約数和(自身を除く): 664475592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 5402239, 10804478, 16206717, 21608956, 32413434, 43217912, 48620151, 64826868, 97240302, 129653736, 194480604, 388961208]

約数ペア:

[(1, 388961208), (2, 194480604), (3, 129653736), (4, 97240302), (6, 64826868), (8, 48620151), (9, 43217912), (12, 32413434), (18, 21608956), (24, 16206717), (36, 10804478), (72, 5402239)]