131231230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{27283}}^1$

素因数の和:27340

約数の個数: 32

約数和(自身を含む): 261271584

約数和(自身を除く): 130040354

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 27283, 54566, 136415, 272830, 354679, 709358, 1009471, 1773395, 2018942, 3546790, 5047355, 10094710, 13123123, 26246246, 65615615, 131231230]

約数ペア:

[(1, 131231230), (2, 65615615), (5, 26246246), (10, 13123123), (13, 10094710), (26, 5047355), (37, 3546790), (65, 2018942), (74, 1773395), (130, 1009471), (185, 709358), (370, 354679), (481, 272830), (962, 136415), (2405, 54566), (4810, 27283)]