1639004731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{4751}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 2145927168

約数和(自身を除く): 506922437

約数列:

[1, 7, 13, 17, 91, 119, 221, 223, 1547, 1561, 2899, 3791, 4751, 20293, 26537, 33257, 49283, 61763, 80767, 344981, 432341, 565369, 1049971, 1059473, 7349797, 7416311, 13773149, 18011041, 96412043, 126077287, 234143533, 1639004731]

約数ペア:

[(1, 1639004731), (7, 234143533), (13, 126077287), (17, 96412043), (91, 18011041), (119, 13773149), (221, 7416311), (223, 7349797), (1547, 1059473), (1561, 1049971), (2899, 565369), (3791, 432341), (4751, 344981), (20293, 80767), (26537, 61763), (33257, 49283)]