393456868

素因数分解:

$2^2\times 7^2\times {\mathrm{2007433}}^1$

素因数の和:2007451

約数の個数: 18

約数和(自身を含む): 800966166

約数和(自身を除く): 407509298

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2007433, 4014866, 8029732, 14052031, 28104062, 56208124, 98364217, 196728434, 393456868]

約数ペア:

[(1, 393456868), (2, 196728434), (4, 98364217), (7, 56208124), (14, 28104062), (28, 14052031), (49, 8029732), (98, 4014866), (196, 2007433)]