31875935

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 50279616

約数和(自身を除く): 18403681

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 317, 455, 595, 845, 1105, 1183, 1547, 1585, 2219, 2873, 4121, 5389, 5915, 7735, 11095, 14365, 20111, 20605, 26945, 28847, 37723, 53573, 70057, 100555, 144235, 188615, 267865, 350285, 375011, 490399, 910741, 1875055, 2451995, 4553705, 6375187, 31875935]

約数ペア:

[(1, 31875935), (5, 6375187), (7, 4553705), (13, 2451995), (17, 1875055), (35, 910741), (65, 490399), (85, 375011), (91, 350285), (119, 267865), (169, 188615), (221, 144235), (317, 100555), (455, 70057), (595, 53573), (845, 37723), (1105, 28847), (1183, 26945), (1547, 20605), (1585, 20111), (2219, 14365), (2873, 11095), (4121, 7735), (5389, 5915)]