257884844

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{12071}}^1$

素因数の和:12198

約数の個数: 36

約数和(自身を含む): 529840080

約数和(自身を除く): 271955236

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1526, 3052, 5341, 10682, 12071, 21364, 24142, 48284, 84497, 168994, 337988, 591479, 1182958, 1315739, 2365916, 2631478, 5262956, 9210173, 18420346, 36840692, 64471211, 128942422, 257884844]

約数ペア:

[(1, 257884844), (2, 128942422), (4, 64471211), (7, 36840692), (14, 18420346), (28, 9210173), (49, 5262956), (98, 2631478), (109, 2365916), (196, 1315739), (218, 1182958), (436, 591479), (763, 337988), (1526, 168994), (3052, 84497), (5341, 48284), (10682, 24142), (12071, 21364)]