8757125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 12501216

約数和(自身を除く): 3744091

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 317, 325, 425, 1105, 1585, 1625, 2125, 4121, 5389, 5525, 7925, 20605, 26945, 27625, 39625, 70057, 103025, 134725, 350285, 515125, 673625, 1751425, 8757125]

約数ペア:

[(1, 8757125), (5, 1751425), (13, 673625), (17, 515125), (25, 350285), (65, 134725), (85, 103025), (125, 70057), (221, 39625), (317, 27625), (325, 26945), (425, 20605), (1105, 7925), (1585, 5525), (1625, 5389), (2125, 4121)]