7777666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{769}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 12612600

約数和(自身を除く): 4834934

約数列:

[1, 2, 13, 26, 389, 769, 778, 1538, 5057, 9997, 10114, 19994, 299141, 598282, 3888833, 7777666]

約数ペア:

[(1, 7777666), (2, 3888833), (13, 598282), (26, 299141), (389, 19994), (769, 10114), (778, 9997), (1538, 5057)]