91505570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1721}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 177917040

約数和(自身を除く): 86411470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1721, 2045, 3442, 4090, 5317, 8605, 10634, 17210, 22373, 26585, 44746, 53170, 111865, 223730, 703889, 1407778, 3519445, 7038890, 9150557, 18301114, 45752785, 91505570]

約数ペア:

[(1, 91505570), (2, 45752785), (5, 18301114), (10, 9150557), (13, 7038890), (26, 3519445), (65, 1407778), (130, 703889), (409, 223730), (818, 111865), (1721, 53170), (2045, 44746), (3442, 26585), (4090, 22373), (5317, 17210), (8605, 10634)]