22156975

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 28480320

約数和(自身を除く): 6323345

約数列:

[1, 5, 25, 47, 109, 173, 235, 545, 865, 1175, 2725, 4325, 5123, 8131, 18857, 25615, 40655, 94285, 128075, 203275, 471425, 886279, 4431395, 22156975]

約数ペア:

[(1, 22156975), (5, 4431395), (25, 886279), (47, 471425), (109, 203275), (173, 128075), (235, 94285), (545, 40655), (865, 25615), (1175, 18857), (2725, 8131), (4325, 5123)]