249628210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{147709}}^1$

素因数の和:147742

約数の個数: 24

約数和(自身を含む): 486556740

約数和(自身を除く): 236928530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 147709, 295418, 738545, 1477090, 1920217, 3840434, 9601085, 19202170, 24962821, 49925642, 124814105, 249628210]

約数ペア:

[(1, 249628210), (2, 124814105), (5, 49925642), (10, 24962821), (13, 19202170), (26, 9601085), (65, 3840434), (130, 1920217), (169, 1477090), (338, 738545), (845, 295418), (1690, 147709)]