28969070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222839}}^1$

素因数の和:222859

約数の個数: 16

約数和(自身を含む): 56155680

約数和(自身を除く): 27186610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222839, 445678, 1114195, 2228390, 2896907, 5793814, 14484535, 28969070]

約数ペア:

[(1, 28969070), (2, 14484535), (5, 5793814), (10, 2896907), (13, 2228390), (26, 1114195), (65, 445678), (130, 222839)]