81059816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3517}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 157887840

約数和(自身を除く): 76828024

約数列:

[1, 2, 4, 8, 43, 67, 86, 134, 172, 268, 344, 536, 2881, 3517, 5762, 7034, 11524, 14068, 23048, 28136, 151231, 235639, 302462, 471278, 604924, 942556, 1209848, 1885112, 10132477, 20264954, 40529908, 81059816]

約数ペア:

[(1, 81059816), (2, 40529908), (4, 20264954), (8, 10132477), (43, 1885112), (67, 1209848), (86, 942556), (134, 604924), (172, 471278), (268, 302462), (344, 235639), (536, 151231), (2881, 28136), (3517, 23048), (5762, 14068), (7034, 11524)]