256220912

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{60889}}^1$

素因数の和:61160

約数の個数: 20

約数和(自身を含む): 498323760

約数和(自身を除く): 242102848

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 60889, 121778, 243556, 487112, 974224, 16013807, 32027614, 64055228, 128110456, 256220912]

約数ペア:

[(1, 256220912), (2, 128110456), (4, 64055228), (8, 32027614), (16, 16013807), (263, 974224), (526, 487112), (1052, 243556), (2104, 121778), (4208, 60889)]