257968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:732

約数の個数: 20

約数和(自身を含む): 522288

約数和(自身を除く): 264320

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 701, 1402, 2804, 5608, 11216, 16123, 32246, 64492, 128984, 257968]

約数ペア:

[(1, 257968), (2, 128984), (4, 64492), (8, 32246), (16, 16123), (23, 11216), (46, 5608), (92, 2804), (184, 1402), (368, 701)]