638436

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 1509984

約数和(自身を除く): 871548

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 641, 996, 1282, 1923, 2564, 3846, 7692, 53203, 106406, 159609, 212812, 319218, 638436]

約数ペア:

[(1, 638436), (2, 319218), (3, 212812), (4, 159609), (6, 106406), (12, 53203), (83, 7692), (166, 3846), (249, 2564), (332, 1923), (498, 1282), (641, 996)]