289336264

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{26227}}^1$

素因数の和:26437

約数の個数: 32

約数和(自身を含む): 623177280

約数和(自身を除く): 333841016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 26227, 52454, 104908, 183589, 209816, 367178, 734356, 1468712, 5166719, 10333438, 20666876, 36167033, 41333752, 72334066, 144668132, 289336264]

約数ペア:

[(1, 289336264), (2, 144668132), (4, 72334066), (7, 41333752), (8, 36167033), (14, 20666876), (28, 10333438), (56, 5166719), (197, 1468712), (394, 734356), (788, 367178), (1379, 209816), (1576, 183589), (2758, 104908), (5516, 52454), (11032, 26227)]