681636

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 1628704

約数和(自身を除く): 947068

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1321, 2642, 3963, 5284, 7926, 15852, 56803, 113606, 170409, 227212, 340818, 681636]

約数ペア:

[(1, 681636), (2, 340818), (3, 227212), (4, 170409), (6, 113606), (12, 56803), (43, 15852), (86, 7926), (129, 5284), (172, 3963), (258, 2642), (516, 1321)]