12891410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{26309}}^1$

素因数の和:26330

約数の個数: 24

約数和(自身を含む): 26994060

約数和(自身を除く): 14102650

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 26309, 52618, 131545, 184163, 263090, 368326, 920815, 1289141, 1841630, 2578282, 6445705, 12891410]

約数ペア:

[(1, 12891410), (2, 6445705), (5, 2578282), (7, 1841630), (10, 1289141), (14, 920815), (35, 368326), (49, 263090), (70, 184163), (98, 131545), (245, 52618), (490, 26309)]