209062804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{7517}}^1$

素因数の和:7947

約数の個数: 24

約数和(自身を含む): 388379880

約数和(自身を除く): 179317076

約数列:

[1, 2, 4, 17, 34, 68, 409, 818, 1636, 6953, 7517, 13906, 15034, 27812, 30068, 127789, 255578, 511156, 3074453, 6148906, 12297812, 52265701, 104531402, 209062804]

約数ペア:

[(1, 209062804), (2, 104531402), (4, 52265701), (17, 12297812), (34, 6148906), (68, 3074453), (409, 511156), (818, 255578), (1636, 127789), (6953, 30068), (7517, 27812), (13906, 15034)]