9980178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127951}}^1$

素因数の和:127969

約数の個数: 16

約数和(自身を含む): 21495936

約数和(自身を除く): 11515758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127951, 255902, 383853, 767706, 1663363, 3326726, 4990089, 9980178]

約数ペア:

[(1, 9980178), (2, 4990089), (3, 3326726), (6, 1663363), (13, 767706), (26, 383853), (39, 255902), (78, 127951)]