210121808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1010201}}^1$

素因数の和:1010222

約数の個数: 20

約数和(自身を含む): 438427668

約数和(自身を除く): 228305860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1010201, 2020402, 4040804, 8081608, 13132613, 16163216, 26265226, 52530452, 105060904, 210121808]

約数ペア:

[(1, 210121808), (2, 105060904), (4, 52530452), (8, 26265226), (13, 16163216), (16, 13132613), (26, 8081608), (52, 4040804), (104, 2020402), (208, 1010201)]