2158173409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{342187}}^1$

素因数の和:342264

約数の個数: 16

約数和(自身を含む): 2660853888

約数和(自身を除く): 502680479

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 342187, 2395309, 5817179, 18135911, 40720253, 126951377, 308310487, 2158173409]

約数ペア:

[(1, 2158173409), (7, 308310487), (17, 126951377), (53, 40720253), (119, 18135911), (371, 5817179), (901, 2395309), (6307, 342187)]