80149468

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21851}}^1$

素因数の和:21993

約数の個数: 24

約数和(自身を含む): 161529984

約数和(自身を除く): 81380516

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 21851, 43702, 87404, 152957, 305914, 611828, 2862481, 5724962, 11449924, 20037367, 40074734, 80149468]

約数ペア:

[(1, 80149468), (2, 40074734), (4, 20037367), (7, 11449924), (14, 5724962), (28, 2862481), (131, 611828), (262, 305914), (524, 152957), (917, 87404), (1834, 43702), (3668, 21851)]