291279125

素因数分解:

$5^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 372778848

約数和(自身を除く): 81499723

約数列:

[1, 5, 25, 73, 125, 137, 233, 365, 685, 1165, 1825, 3425, 5825, 9125, 10001, 17009, 17125, 29125, 31921, 50005, 85045, 159605, 250025, 425225, 798025, 1250125, 2126125, 2330233, 3990125, 11651165, 58255825, 291279125]

約数ペア:

[(1, 291279125), (5, 58255825), (25, 11651165), (73, 3990125), (125, 2330233), (137, 2126125), (233, 1250125), (365, 798025), (685, 425225), (1165, 250025), (1825, 159605), (3425, 85045), (5825, 50005), (9125, 31921), (10001, 29125), (17009, 17125)]