291013060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1119281}}^1$

素因数の和:1119303

約数の個数: 24

約数和(自身を含む): 658137816

約数和(自身を除く): 367124756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1119281, 2238562, 4477124, 5596405, 11192810, 14550653, 22385620, 29101306, 58202612, 72753265, 145506530, 291013060]

約数ペア:

[(1, 291013060), (2, 145506530), (4, 72753265), (5, 58202612), (10, 29101306), (13, 22385620), (20, 14550653), (26, 11192810), (52, 5596405), (65, 4477124), (130, 2238562), (260, 1119281)]