42813251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 51744000

約数和(自身を除く): 8930749

約数列:

[1, 13, 19, 29, 43, 139, 247, 377, 551, 559, 817, 1247, 1807, 2641, 4031, 5977, 7163, 10621, 16211, 23693, 34333, 52403, 76589, 77701, 113563, 173333, 308009, 995657, 1476319, 2253329, 3293327, 42813251]

約数ペア:

[(1, 42813251), (13, 3293327), (19, 2253329), (29, 1476319), (43, 995657), (139, 308009), (247, 173333), (377, 113563), (551, 77701), (559, 76589), (817, 52403), (1247, 34333), (1807, 23693), (2641, 16211), (4031, 10621), (5977, 7163)]