25171237

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 8358875

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 307, 371, 689, 901, 1547, 2149, 3991, 4823, 5219, 6307, 11713, 16271, 27937, 36533, 67847, 81991, 113897, 211523, 276607, 474929, 1480661, 1936249, 3595891, 25171237]

約数ペア:

[(1, 25171237), (7, 3595891), (13, 1936249), (17, 1480661), (53, 474929), (91, 276607), (119, 211523), (221, 113897), (307, 81991), (371, 67847), (689, 36533), (901, 27937), (1547, 16271), (2149, 11713), (3991, 6307), (4823, 5219)]