7397975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 10619856

約数和(自身を除く): 3221881

約数列:

[1, 5, 13, 17, 25, 65, 85, 103, 169, 221, 325, 425, 515, 845, 1105, 1339, 1751, 2575, 2873, 4225, 5525, 6695, 8755, 14365, 17407, 22763, 33475, 43775, 71825, 87035, 113815, 295919, 435175, 569075, 1479595, 7397975]

約数ペア:

[(1, 7397975), (5, 1479595), (13, 569075), (17, 435175), (25, 295919), (65, 113815), (85, 87035), (103, 71825), (169, 43775), (221, 33475), (325, 22763), (425, 17407), (515, 14365), (845, 8755), (1105, 6695), (1339, 5525), (1751, 4225), (2575, 2873)]