81598808

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 158814000

約数和(自身を除く): 77215192

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 509, 691, 1018, 1382, 2036, 2764, 4072, 5528, 14761, 20039, 29522, 40078, 59044, 80156, 118088, 160312, 351719, 703438, 1406876, 2813752, 10199851, 20399702, 40799404, 81598808]

約数ペア:

[(1, 81598808), (2, 40799404), (4, 20399702), (8, 10199851), (29, 2813752), (58, 1406876), (116, 703438), (232, 351719), (509, 160312), (691, 118088), (1018, 80156), (1382, 59044), (2036, 40078), (2764, 29522), (4072, 20039), (5528, 14761)]