258646505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 353928960

約数和(自身を除く): 95282455

約数列:

[1, 5, 13, 29, 43, 65, 145, 215, 377, 559, 1247, 1885, 2795, 3191, 6235, 15955, 16211, 41483, 81055, 92539, 137213, 207415, 462695, 686065, 1203007, 1783769, 3979177, 6015035, 8918845, 19895885, 51729301, 258646505]

約数ペア:

[(1, 258646505), (5, 51729301), (13, 19895885), (29, 8918845), (43, 6015035), (65, 3979177), (145, 1783769), (215, 1203007), (377, 686065), (559, 462695), (1247, 207415), (1885, 137213), (2795, 92539), (3191, 81055), (6235, 41483), (15955, 16211)]