7204405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 9999360

約数和(自身を除く): 2794955

約数列:

[1, 5, 13, 23, 61, 65, 79, 115, 299, 305, 395, 793, 1027, 1403, 1495, 1817, 3965, 4819, 5135, 7015, 9085, 18239, 23621, 24095, 62647, 91195, 110837, 118105, 313235, 554185, 1440881, 7204405]

約数ペア:

[(1, 7204405), (5, 1440881), (13, 554185), (23, 313235), (61, 118105), (65, 110837), (79, 91195), (115, 62647), (299, 24095), (305, 23621), (395, 18239), (793, 9085), (1027, 7015), (1403, 5135), (1495, 4819), (1817, 3965)]