78081328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{375391}}^1$

素因数の和:375412

約数の個数: 20

約数和(自身を含む): 162920128

約数和(自身を除く): 84838800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 375391, 750782, 1501564, 3003128, 4880083, 6006256, 9760166, 19520332, 39040664, 78081328]

約数ペア:

[(1, 78081328), (2, 39040664), (4, 19520332), (8, 9760166), (13, 6006256), (16, 4880083), (26, 3003128), (52, 1501564), (104, 750782), (208, 375391)]