89405356

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{401}}^2$

素因数の和:945

約数の個数: 18

約数和(自身を含む): 157978940

約数和(自身を除く): 68573584

約数列:

[1, 2, 4, 139, 278, 401, 556, 802, 1604, 55739, 111478, 160801, 222956, 321602, 643204, 22351339, 44702678, 89405356]

約数ペア:

[(1, 89405356), (2, 44702678), (4, 22351339), (139, 643204), (278, 321602), (401, 222956), (556, 160801), (802, 111478), (1604, 55739)]