31820984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{305971}}^1$

素因数の和:305990

約数の個数: 16

約数和(自身を含む): 64254120

約数和(自身を除く): 32433136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 305971, 611942, 1223884, 2447768, 3977623, 7955246, 15910492, 31820984]

約数ペア:

[(1, 31820984), (2, 15910492), (4, 7955246), (8, 3977623), (13, 2447768), (26, 1223884), (52, 611942), (104, 305971)]