398401835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{4201}}^1$

素因数の和:5678

約数の個数: 16

約数和(自身を含む): 515333280

約数和(自身を除く): 116931445

約数列:

[1, 5, 13, 65, 1459, 4201, 7295, 18967, 21005, 54613, 94835, 273065, 6129259, 30646295, 79680367, 398401835]

約数ペア:

[(1, 398401835), (5, 79680367), (13, 30646295), (65, 6129259), (1459, 273065), (4201, 94835), (7295, 54613), (18967, 21005)]