8220368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{39521}}^1$

素因数の和:39542

約数の個数: 20

約数和(自身を含む): 17152548

約数和(自身を除く): 8932180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 39521, 79042, 158084, 316168, 513773, 632336, 1027546, 2055092, 4110184, 8220368]

約数ペア:

[(1, 8220368), (2, 4110184), (4, 2055092), (8, 1027546), (13, 632336), (16, 513773), (26, 316168), (52, 158084), (104, 79042), (208, 39521)]