66677575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 87735456

約数和(自身を除く): 21057881

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 1403, 1525, 1901, 7015, 9505, 35075, 43723, 47525, 115961, 218615, 579805, 1093075, 2667103, 2899025, 13335515, 66677575]

約数ペア:

[(1, 66677575), (5, 13335515), (23, 2899025), (25, 2667103), (61, 1093075), (115, 579805), (305, 218615), (575, 115961), (1403, 47525), (1525, 43723), (1901, 35075), (7015, 9505)]