31689275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 41943744

約数和(自身を除く): 10254469

約数列:

[1, 5, 17, 25, 85, 173, 425, 431, 865, 2155, 2941, 4325, 7327, 10775, 14705, 36635, 73525, 74563, 183175, 372815, 1267571, 1864075, 6337855, 31689275]

約数ペア:

[(1, 31689275), (5, 6337855), (17, 1864075), (25, 1267571), (85, 372815), (173, 183175), (425, 74563), (431, 73525), (865, 36635), (2155, 14705), (2941, 10775), (4325, 7327)]