664884715

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{2687}}^1$

素因数の和:3123

約数の個数: 24

約数和(自身を含む): 879459840

約数和(自身を除く): 214575125

約数列:

[1, 5, 11, 55, 121, 409, 605, 2045, 2687, 4499, 13435, 22495, 29557, 49489, 147785, 247445, 325127, 1098983, 1625635, 5494915, 12088813, 60444065, 132976943, 664884715]

約数ペア:

[(1, 664884715), (5, 132976943), (11, 60444065), (55, 12088813), (121, 5494915), (409, 1625635), (605, 1098983), (2045, 325127), (2687, 247445), (4499, 147785), (13435, 49489), (22495, 29557)]