81660136

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{2087}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 157602240

約数和(自身を除く): 75942104

約数列:

[1, 2, 4, 8, 67, 73, 134, 146, 268, 292, 536, 584, 2087, 4174, 4891, 8348, 9782, 16696, 19564, 39128, 139829, 152351, 279658, 304702, 559316, 609404, 1118632, 1218808, 10207517, 20415034, 40830068, 81660136]

約数ペア:

[(1, 81660136), (2, 40830068), (4, 20415034), (8, 10207517), (67, 1218808), (73, 1118632), (134, 609404), (146, 559316), (268, 304702), (292, 279658), (536, 152351), (584, 139829), (2087, 39128), (4174, 19564), (4891, 16696), (8348, 9782)]