1245402590

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{950689}}^1$

素因数の和:950827

約数の個数: 16

約数和(自身を含む): 2258839440

約数和(自身を除く): 1013436850

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 950689, 1901378, 4753445, 9506890, 124540259, 249080518, 622701295, 1245402590]

約数ペア:

[(1, 1245402590), (2, 622701295), (5, 249080518), (10, 124540259), (131, 9506890), (262, 4753445), (655, 1901378), (1310, 950689)]