201308978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{249763}}^1$

素因数の和:249809

約数の個数: 16

約数和(自身を含む): 335682816

約数和(自身を除く): 134373838

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 249763, 499526, 3246919, 6493838, 7742653, 15485306, 100654489, 201308978]

約数ペア:

[(1, 201308978), (2, 100654489), (13, 15485306), (26, 7742653), (31, 6493838), (62, 3246919), (403, 499526), (806, 249763)]