257121794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{14489}}^1$

素因数の和:14977

約数の個数: 16

約数和(自身を含む): 406879200

約数和(自身を除く): 149757406

約数列:

[1, 2, 19, 38, 467, 934, 8873, 14489, 17746, 28978, 275291, 550582, 6766363, 13532726, 128560897, 257121794]

約数ペア:

[(1, 257121794), (2, 128560897), (19, 13532726), (38, 6766363), (467, 550582), (934, 275291), (8873, 28978), (14489, 17746)]