256668244

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{539219}}^1$

素因数の和:539247

約数の個数: 24

約数和(自身を含む): 543533760

約数和(自身を除く): 286865516

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 539219, 1078438, 2156876, 3774533, 7549066, 9166723, 15098132, 18333446, 36666892, 64167061, 128334122, 256668244]

約数ペア:

[(1, 256668244), (2, 128334122), (4, 64167061), (7, 36666892), (14, 18333446), (17, 15098132), (28, 9166723), (34, 7549066), (68, 3774533), (119, 2156876), (238, 1078438), (476, 539219)]