72489968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{110503}}^1$

素因数の和:110552

約数の個数: 20

約数和(自身を含む): 143876208

約数和(自身を除く): 71386240

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 110503, 221006, 442012, 884024, 1768048, 4530623, 9061246, 18122492, 36244984, 72489968]

約数ペア:

[(1, 72489968), (2, 36244984), (4, 18122492), (8, 9061246), (16, 4530623), (41, 1768048), (82, 884024), (164, 442012), (328, 221006), (656, 110503)]