2051681008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9863851}}^1$

素因数の和:9863872

約数の個数: 20

約数和(自身を含む): 4280911768

約数和(自身を除く): 2229230760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9863851, 19727702, 39455404, 78910808, 128230063, 157821616, 256460126, 512920252, 1025840504, 2051681008]

約数ペア:

[(1, 2051681008), (2, 1025840504), (4, 512920252), (8, 256460126), (13, 157821616), (16, 128230063), (26, 78910808), (52, 39455404), (104, 19727702), (208, 9863851)]