880387856

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{67021}}^1$

素因数の和:67850

約数の個数: 20

約数和(自身を含む): 1707854604

約数和(自身を除く): 827466748

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 6568, 13136, 67021, 134042, 268084, 536168, 1072336, 55024241, 110048482, 220096964, 440193928, 880387856]

約数ペア:

[(1, 880387856), (2, 440193928), (4, 220096964), (8, 110048482), (16, 55024241), (821, 1072336), (1642, 536168), (3284, 268084), (6568, 134042), (13136, 67021)]