86899393

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2174

約数の個数: 20

約数和(自身を含む): 107390340

約数和(自身を除く): 20490947

約数列:

[1, 7, 17, 49, 119, 343, 833, 2129, 2401, 5831, 14903, 36193, 40817, 104321, 253351, 730247, 1773457, 5111729, 12414199, 86899393]

約数ペア:

[(1, 86899393), (7, 12414199), (17, 5111729), (49, 1773457), (119, 730247), (343, 253351), (833, 104321), (2129, 40817), (2401, 36193), (5831, 14903)]