513637825

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 647843456

約数和(自身を除く): 134205631

約数列:

[1, 5, 25, 103, 151, 515, 755, 1321, 2575, 3775, 6605, 15553, 33025, 77765, 136063, 199471, 388825, 680315, 997355, 3401575, 4986775, 20545513, 102727565, 513637825]

約数ペア:

[(1, 513637825), (5, 102727565), (25, 20545513), (103, 4986775), (151, 3401575), (515, 997355), (755, 680315), (1321, 388825), (2575, 199471), (3775, 136063), (6605, 77765), (15553, 33025)]