2021991985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79559}}^1$

素因数の和:79617

約数の個数: 32

約数和(自身を含む): 2887073280

約数和(自身を除く): 865081295

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 25415, 79559, 397795, 1034267, 1352503, 1829857, 5171335, 6762515, 9149285, 17582539, 23788141, 31107569, 87912695, 118940705, 155537845, 404398397, 2021991985]

約数ペア:

[(1, 2021991985), (5, 404398397), (13, 155537845), (17, 118940705), (23, 87912695), (65, 31107569), (85, 23788141), (115, 17582539), (221, 9149285), (299, 6762515), (391, 5171335), (1105, 1829857), (1495, 1352503), (1955, 1034267), (5083, 397795), (25415, 79559)]