90970490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{8431}}^1$

素因数の和:8534

約数の個数: 32

約数和(自身を含む): 178488576

約数和(自身を除く): 87518086

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 8431, 10790, 16862, 42155, 84310, 109603, 219206, 548015, 699773, 1096030, 1399546, 3498865, 6997730, 9097049, 18194098, 45485245, 90970490]

約数ペア:

[(1, 90970490), (2, 45485245), (5, 18194098), (10, 9097049), (13, 6997730), (26, 3498865), (65, 1399546), (83, 1096030), (130, 699773), (166, 548015), (415, 219206), (830, 109603), (1079, 84310), (2158, 42155), (5395, 16862), (8431, 10790)]