81717016

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{769}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 158004000

約数和(自身を除く): 76286984

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 359, 718, 769, 1436, 1538, 2872, 3076, 6152, 13283, 26566, 28453, 53132, 56906, 106264, 113812, 227624, 276071, 552142, 1104284, 2208568, 10214627, 20429254, 40858508, 81717016]

約数ペア:

[(1, 81717016), (2, 40858508), (4, 20429254), (8, 10214627), (37, 2208568), (74, 1104284), (148, 552142), (296, 276071), (359, 227624), (718, 113812), (769, 106264), (1436, 56906), (1538, 53132), (2872, 28453), (3076, 26566), (6152, 13283)]