388542725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{4091}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 502333920

約数和(自身を除く): 113791195

約数列:

[1, 5, 25, 29, 131, 145, 655, 725, 3275, 3799, 4091, 18995, 20455, 94975, 102275, 118639, 535921, 593195, 2679605, 2965975, 13398025, 15541709, 77708545, 388542725]

約数ペア:

[(1, 388542725), (5, 77708545), (25, 15541709), (29, 13398025), (131, 2965975), (145, 2679605), (655, 593195), (725, 535921), (3275, 118639), (3799, 102275), (4091, 94975), (18995, 20455)]