131536225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1789}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 173794680

約数和(自身を除く): 42258455

約数列:

[1, 5, 17, 25, 85, 173, 425, 865, 1789, 2941, 4325, 8945, 14705, 30413, 44725, 73525, 152065, 309497, 760325, 1547485, 5261449, 7737425, 26307245, 131536225]

約数ペア:

[(1, 131536225), (5, 26307245), (17, 7737425), (25, 5261449), (85, 1547485), (173, 760325), (425, 309497), (865, 152065), (1789, 73525), (2941, 44725), (4325, 30413), (8945, 14705)]