25671541

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 31124736

約数和(自身を除く): 5453195

約数列:

[1, 7, 47, 49, 71, 157, 329, 497, 1099, 2303, 3337, 3479, 7379, 7693, 11147, 23359, 51653, 78029, 163513, 361571, 523909, 546203, 3667363, 25671541]

約数ペア:

[(1, 25671541), (7, 3667363), (47, 546203), (49, 523909), (71, 361571), (157, 163513), (329, 78029), (497, 51653), (1099, 23359), (2303, 11147), (3337, 7693), (3479, 7379)]