12978224

素因数分解:

$2^4\times 7^1\times {\mathrm{115877}}^1$

素因数の和:115892

約数の個数: 20

約数和(自身を含む): 28737744

約数和(自身を除く): 15759520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115877, 231754, 463508, 811139, 927016, 1622278, 1854032, 3244556, 6489112, 12978224]

約数ペア:

[(1, 12978224), (2, 6489112), (4, 3244556), (7, 1854032), (8, 1622278), (14, 927016), (16, 811139), (28, 463508), (56, 231754), (112, 115877)]