81559088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{392111}}^1$

素因数の和:392132

約数の個数: 20

約数和(自身を含む): 170176608

約数和(自身を除く): 88617520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 392111, 784222, 1568444, 3136888, 5097443, 6273776, 10194886, 20389772, 40779544, 81559088]

約数ペア:

[(1, 81559088), (2, 40779544), (4, 20389772), (8, 10194886), (13, 6273776), (16, 5097443), (26, 3136888), (52, 1568444), (104, 784222), (208, 392111)]