25303915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 14048405

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2927, 8645, 14635, 20489, 38051, 55613, 102445, 190255, 266357, 278065, 389291, 722969, 1331785, 1946455, 3614845, 5060783, 25303915]

約数ペア:

[(1, 25303915), (5, 5060783), (7, 3614845), (13, 1946455), (19, 1331785), (35, 722969), (65, 389291), (91, 278065), (95, 266357), (133, 190255), (247, 102445), (455, 55613), (665, 38051), (1235, 20489), (1729, 14635), (2927, 8645)]