218173870

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 398413728

約数和(自身を除く): 180239858

約数列:

[1, 2, 5, 10, 137, 163, 274, 326, 685, 815, 977, 1370, 1630, 1954, 4885, 9770, 22331, 44662, 111655, 133849, 159251, 223310, 267698, 318502, 669245, 796255, 1338490, 1592510, 21817387, 43634774, 109086935, 218173870]

約数ペア:

[(1, 218173870), (2, 109086935), (5, 43634774), (10, 21817387), (137, 1592510), (163, 1338490), (274, 796255), (326, 669245), (685, 318502), (815, 267698), (977, 223310), (1370, 159251), (1630, 133849), (1954, 111655), (4885, 44662), (9770, 22331)]