81197718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{5101}}^1$

素因数の和:5492

約数の個数: 32

約数和(自身を含む): 186120960

約数和(自身を除く): 104923242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 379, 758, 1137, 2274, 2653, 5101, 5306, 7959, 10202, 15303, 15918, 30606, 35707, 71414, 107121, 214242, 1933279, 3866558, 5799837, 11599674, 13532953, 27065906, 40598859, 81197718]

約数ペア:

[(1, 81197718), (2, 40598859), (3, 27065906), (6, 13532953), (7, 11599674), (14, 5799837), (21, 3866558), (42, 1933279), (379, 214242), (758, 107121), (1137, 71414), (2274, 35707), (2653, 30606), (5101, 15918), (5306, 15303), (7959, 10202)]