90521665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 121080960

約数和(自身を除く): 30559295

約数列:

[1, 5, 13, 43, 65, 139, 215, 233, 559, 695, 1165, 1807, 2795, 3029, 5977, 9035, 10019, 15145, 29885, 32387, 50095, 77701, 130247, 161935, 388505, 421031, 651235, 1392641, 2105155, 6963205, 18104333, 90521665]

約数ペア:

[(1, 90521665), (5, 18104333), (13, 6963205), (43, 2105155), (65, 1392641), (139, 651235), (215, 421031), (233, 388505), (559, 161935), (695, 130247), (1165, 77701), (1807, 50095), (2795, 32387), (3029, 29885), (5977, 15145), (9035, 10019)]