90804805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8677}}^1$

素因数の和:8725

約数の個数: 32

約数和(自身を含む): 139958784

約数和(自身を除く): 49153979

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 8677, 10465, 43385, 60739, 112801, 199571, 303695, 564005, 789607, 997855, 1396997, 2594423, 3948035, 6984985, 12972115, 18160961, 90804805]

約数ペア:

[(1, 90804805), (5, 18160961), (7, 12972115), (13, 6984985), (23, 3948035), (35, 2594423), (65, 1396997), (91, 997855), (115, 789607), (161, 564005), (299, 303695), (455, 199571), (805, 112801), (1495, 60739), (2093, 43385), (8677, 10465)]