209897456

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{222349}}^1$

素因数の和:222416

約数の個数: 20

約数和(自身を含む): 413571000

約数和(自身を除く): 203673544

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 222349, 444698, 889396, 1778792, 3557584, 13118591, 26237182, 52474364, 104948728, 209897456]

約数ペア:

[(1, 209897456), (2, 104948728), (4, 52474364), (8, 26237182), (16, 13118591), (59, 3557584), (118, 1778792), (236, 889396), (472, 444698), (944, 222349)]