209667848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{12841}}^1$

素因数の和:13017

約数の個数: 32

約数和(自身を含む): 426097560

約数和(自身を除く): 216429712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 12841, 16328, 25682, 51364, 102728, 166933, 333866, 667732, 1335464, 2016037, 4032074, 8064148, 16128296, 26208481, 52416962, 104833924, 209667848]

約数ペア:

[(1, 209667848), (2, 104833924), (4, 52416962), (8, 26208481), (13, 16128296), (26, 8064148), (52, 4032074), (104, 2016037), (157, 1335464), (314, 667732), (628, 333866), (1256, 166933), (2041, 102728), (4082, 51364), (8164, 25682), (12841, 16328)]