326698060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1256531}}^1$

素因数の和:1256553

約数の個数: 24

約数和(自身を含む): 738840816

約数和(自身を除く): 412142756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1256531, 2513062, 5026124, 6282655, 12565310, 16334903, 25130620, 32669806, 65339612, 81674515, 163349030, 326698060]

約数ペア:

[(1, 326698060), (2, 163349030), (4, 81674515), (5, 65339612), (10, 32669806), (13, 25130620), (20, 16334903), (26, 12565310), (52, 6282655), (65, 5026124), (130, 2513062), (260, 1256531)]