209213968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{769169}}^1$

素因数の和:769194

約数の個数: 20

約数和(自身を含む): 429196860

約数和(自身を除く): 219982892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 769169, 1538338, 3076676, 6153352, 12306704, 13075873, 26151746, 52303492, 104606984, 209213968]

約数ペア:

[(1, 209213968), (2, 104606984), (4, 52303492), (8, 26151746), (16, 13075873), (17, 12306704), (34, 6153352), (68, 3076676), (136, 1538338), (272, 769169)]