399351636

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{140419}}^1$

素因数の和:140508

約数の個数: 36

約数和(自身を含む): 1022257600

約数和(自身を除く): 622905964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 140419, 280838, 421257, 561676, 842514, 1263771, 1685028, 2527542, 5055084, 11093101, 22186202, 33279303, 44372404, 66558606, 99837909, 133117212, 199675818, 399351636]

約数ペア:

[(1, 399351636), (2, 199675818), (3, 133117212), (4, 99837909), (6, 66558606), (9, 44372404), (12, 33279303), (18, 22186202), (36, 11093101), (79, 5055084), (158, 2527542), (237, 1685028), (316, 1263771), (474, 842514), (711, 561676), (948, 421257), (1422, 280838), (2844, 140419)]