209945888

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{211639}}^1$

素因数の和:211680

約数の個数: 24

約数和(自身を含む): 426666240

約数和(自身を除く): 216720352

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 211639, 423278, 846556, 1693112, 3386224, 6560809, 6772448, 13121618, 26243236, 52486472, 104972944, 209945888]

約数ペア:

[(1, 209945888), (2, 104972944), (4, 52486472), (8, 26243236), (16, 13121618), (31, 6772448), (32, 6560809), (62, 3386224), (124, 1693112), (248, 846556), (496, 423278), (992, 211639)]