81336424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12821}}^1$

素因数の和:12901

約数の個数: 32

約数和(自身を含む): 166942440

約数和(自身を除く): 85606016

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 12821, 25642, 51284, 102568, 166673, 333346, 666692, 782081, 1333384, 1564162, 3128324, 6256648, 10167053, 20334106, 40668212, 81336424]

約数ペア:

[(1, 81336424), (2, 40668212), (4, 20334106), (8, 10167053), (13, 6256648), (26, 3128324), (52, 1564162), (61, 1333384), (104, 782081), (122, 666692), (244, 333346), (488, 166673), (793, 102568), (1586, 51284), (3172, 25642), (6344, 12821)]