129287860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497261}}^1$

素因数の和:497283

約数の個数: 24

約数和(自身を含む): 292390056

約数和(自身を除く): 163102196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497261, 994522, 1989044, 2486305, 4972610, 6464393, 9945220, 12928786, 25857572, 32321965, 64643930, 129287860]

約数ペア:

[(1, 129287860), (2, 64643930), (4, 32321965), (5, 25857572), (10, 12928786), (13, 9945220), (20, 6464393), (26, 4972610), (52, 2486305), (65, 1989044), (130, 994522), (260, 497261)]