721888206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{56779}}^1$

素因数の和:56960

約数の個数: 32

約数和(自身を含む): 1564402560

約数和(自身を除く): 842514354

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 2119, 4238, 6357, 12714, 56779, 113558, 170337, 340674, 738127, 1476254, 2214381, 4428762, 9254977, 18509954, 27764931, 55529862, 120314701, 240629402, 360944103, 721888206]

約数ペア:

[(1, 721888206), (2, 360944103), (3, 240629402), (6, 120314701), (13, 55529862), (26, 27764931), (39, 18509954), (78, 9254977), (163, 4428762), (326, 2214381), (489, 1476254), (978, 738127), (2119, 340674), (4238, 170337), (6357, 113558), (12714, 56779)]