640909447927

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1\times {\mathrm{2901001}}^1$

素因数の和:2901898

約数の個数: 16

約数和(自身を含む): 753146535232

約数和(自身を除く): 112237087305

約数列:

[1, 7, 37, 259, 853, 5971, 31561, 220927, 2901001, 20307007, 107337037, 751359259, 2474553853, 17321876971, 91558492561, 640909447927]

約数ペア:

[(1, 640909447927), (7, 91558492561), (37, 17321876971), (259, 2474553853), (853, 751359259), (5971, 107337037), (31561, 20307007), (220927, 2901001)]