278319112070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647253749}}^1$

素因数の和:647253799

約数の個数: 16

約数和(自身を含む): 512624970000

約数和(自身を除く): 234305857930

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 647253749, 1294507498, 3236268745, 6472537490, 27831911207, 55663822414, 139159556035, 278319112070]

約数ペア:

[(1, 278319112070), (2, 139159556035), (5, 55663822414), (10, 27831911207), (43, 6472537490), (86, 3236268745), (215, 1294507498), (430, 647253749)]