85671664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{411883}}^1$

素因数の和:411904

約数の個数: 20

約数和(自身を含む): 178757656

約数和(自身を除く): 93085992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 411883, 823766, 1647532, 3295064, 5354479, 6590128, 10708958, 21417916, 42835832, 85671664]

約数ペア:

[(1, 85671664), (2, 42835832), (4, 21417916), (8, 10708958), (13, 6590128), (16, 5354479), (26, 3295064), (52, 1647532), (104, 823766), (208, 411883)]