64280975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10163}}^1$

素因数の和:10207

約数の個数: 24

約数和(自身を含む): 90744192

約数和(自身を除く): 26463217

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 6325, 10163, 50815, 111793, 233749, 254075, 558965, 1168745, 2571239, 2794825, 5843725, 12856195, 64280975]

約数ペア:

[(1, 64280975), (5, 12856195), (11, 5843725), (23, 2794825), (25, 2571239), (55, 1168745), (115, 558965), (253, 254075), (275, 233749), (575, 111793), (1265, 50815), (6325, 10163)]