66166256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318107}}^1$

素因数の和:318128

約数の個数: 20

約数和(自身を含む): 138058872

約数和(自身を除く): 71892616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318107, 636214, 1272428, 2544856, 4135391, 5089712, 8270782, 16541564, 33083128, 66166256]

約数ペア:

[(1, 66166256), (2, 33083128), (4, 16541564), (8, 8270782), (13, 5089712), (16, 4135391), (26, 2544856), (52, 1272428), (104, 636214), (208, 318107)]