256985389985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{40639}}^1$

素因数の和:41141

約数の個数: 32

約数和(自身を含む): 320230195200

約数和(自身を除く): 63244805215

約数列:

[1, 5, 47, 71, 235, 355, 379, 1895, 3337, 16685, 17813, 26909, 40639, 89065, 134545, 203195, 1264723, 1910033, 2885369, 6323615, 9550165, 14426845, 15402181, 77010905, 135612343, 678061715, 723902507, 1093554851, 3619512535, 5467774255, 51397077997, 256985389985]

約数ペア:

[(1, 256985389985), (5, 51397077997), (47, 5467774255), (71, 3619512535), (235, 1093554851), (355, 723902507), (379, 678061715), (1895, 135612343), (3337, 77010905), (16685, 15402181), (17813, 14426845), (26909, 9550165), (40639, 6323615), (89065, 2885369), (134545, 1910033), (203195, 1264723)]