397443324

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{770239}}^1$

素因数の和:770289

約数の個数: 24

約数和(自身を含む): 948935680

約数和(自身を除く): 551492356

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 770239, 1540478, 2310717, 3080956, 4621434, 9242868, 33120277, 66240554, 99360831, 132481108, 198721662, 397443324]

約数ペア:

[(1, 397443324), (2, 198721662), (3, 132481108), (4, 99360831), (6, 66240554), (12, 33120277), (43, 9242868), (86, 4621434), (129, 3080956), (172, 2310717), (258, 1540478), (516, 770239)]