640044

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:806

約数の個数: 36

約数和(自身を含む): 1690416

約数和(自身を除く): 1050372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 773, 828, 1546, 2319, 3092, 4638, 6957, 9276, 13914, 17779, 27828, 35558, 53337, 71116, 106674, 160011, 213348, 320022, 640044]

約数ペア:

[(1, 640044), (2, 320022), (3, 213348), (4, 160011), (6, 106674), (9, 71116), (12, 53337), (18, 35558), (23, 27828), (36, 17779), (46, 13914), (69, 9276), (92, 6957), (138, 4638), (207, 3092), (276, 2319), (414, 1546), (773, 828)]