1328426645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2919619}}^1$

素因数の和:2919644

約数の個数: 16

約数和(自身を含む): 1961984640

約数和(自身を除く): 633557995

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2919619, 14598095, 20437333, 37955047, 102186665, 189775235, 265685329, 1328426645]

約数ペア:

[(1, 1328426645), (5, 265685329), (7, 189775235), (13, 102186665), (35, 37955047), (65, 20437333), (91, 14598095), (455, 2919619)]