208956872

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{160243}}^1$

素因数の和:160412

約数の個数: 16

約数和(自身を含む): 394200240

約数和(自身を除く): 185243368

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 160243, 320486, 640972, 1281944, 26119609, 52239218, 104478436, 208956872]

約数ペア:

[(1, 208956872), (2, 104478436), (4, 52239218), (8, 26119609), (163, 1281944), (326, 640972), (652, 320486), (1304, 160243)]