90198745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 134281728

約数和(自身を除く): 44082983

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 455, 685, 959, 1447, 1781, 4795, 7235, 8905, 10129, 12467, 18811, 50645, 62335, 94055, 131677, 198239, 658385, 991195, 1387673, 2577107, 6938365, 12885535, 18039749, 90198745]

約数ペア:

[(1, 90198745), (5, 18039749), (7, 12885535), (13, 6938365), (35, 2577107), (65, 1387673), (91, 991195), (137, 658385), (455, 198239), (685, 131677), (959, 94055), (1447, 62335), (1781, 50645), (4795, 18811), (7235, 12467), (8905, 10129)]