720642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{9239}}^1$

素因数の和:9257

約数の個数: 16

約数和(自身を含む): 1552320

約数和(自身を除く): 831678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 9239, 18478, 27717, 55434, 120107, 240214, 360321, 720642]

約数ペア:

[(1, 720642), (2, 360321), (3, 240214), (6, 120107), (13, 55434), (26, 27717), (39, 18478), (78, 9239)]