90439055

素因数分解:

$5^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 126690480

約数和(自身を除く): 36251425

約数列:

[1, 5, 7, 35, 49, 245, 419, 881, 2095, 2933, 4405, 6167, 14665, 20531, 30835, 43169, 102655, 215845, 369139, 1845695, 2583973, 12919865, 18087811, 90439055]

約数ペア:

[(1, 90439055), (5, 18087811), (7, 12919865), (35, 2583973), (49, 1845695), (245, 369139), (419, 215845), (881, 102655), (2095, 43169), (2933, 30835), (4405, 20531), (6167, 14665)]