1221601615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{31271}}^1$

素因数の和:31890

約数の個数: 16

約数和(自身を含む): 1581362496

約数和(自身を除く): 359760881

約数列:

[1, 5, 13, 65, 601, 3005, 7813, 31271, 39065, 156355, 406523, 2032615, 18793871, 93969355, 244320323, 1221601615]

約数ペア:

[(1, 1221601615), (5, 244320323), (13, 93969355), (65, 18793871), (601, 2032615), (3005, 406523), (7813, 156355), (31271, 39065)]