81296332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4019}}^1$

素因数の和:4425

約数の個数: 24

約数和(自身を含む): 153644400

約数和(自身を除く): 72348068

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1556, 4019, 5057, 8038, 10114, 16076, 20228, 52247, 104494, 208988, 1563391, 3126782, 6253564, 20324083, 40648166, 81296332]

約数ペア:

[(1, 81296332), (2, 40648166), (4, 20324083), (13, 6253564), (26, 3126782), (52, 1563391), (389, 208988), (778, 104494), (1556, 52247), (4019, 20228), (5057, 16076), (8038, 10114)]