82720664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1237}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 167427120

約数和(自身を除く): 84706456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 643, 1237, 1286, 2474, 2572, 4948, 5144, 8359, 9896, 16081, 16718, 32162, 33436, 64324, 66872, 128648, 795391, 1590782, 3181564, 6363128, 10340083, 20680166, 41360332, 82720664]

約数ペア:

[(1, 82720664), (2, 41360332), (4, 20680166), (8, 10340083), (13, 6363128), (26, 3181564), (52, 1590782), (104, 795391), (643, 128648), (1237, 66872), (1286, 64324), (2474, 33436), (2572, 32162), (4948, 16718), (5144, 16081), (8359, 9896)]