388625185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8179}}^1$

素因数の和:8257

約数の個数: 32

約数和(自身を含む): 544199040

約数和(自身を除く): 155573855

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2795, 3655, 8179, 9503, 40895, 47515, 106327, 139043, 351697, 531635, 695215, 1758485, 1807559, 4572061, 5978849, 9037795, 22860305, 29894245, 77725037, 388625185]

約数ペア:

[(1, 388625185), (5, 77725037), (13, 29894245), (17, 22860305), (43, 9037795), (65, 5978849), (85, 4572061), (215, 1807559), (221, 1758485), (559, 695215), (731, 531635), (1105, 351697), (2795, 139043), (3655, 106327), (8179, 47515), (9503, 40895)]