919977989

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{10333}}^1$

素因数の和:10449

約数の個数: 24

約数和(自身を含む): 1130952960

約数和(自身を除く): 210974971

約数列:

[1, 7, 23, 49, 79, 161, 553, 1127, 1817, 3871, 10333, 12719, 72331, 89033, 237659, 506317, 816307, 1663613, 5714149, 11645291, 18775061, 39999043, 131425427, 919977989]

約数ペア:

[(1, 919977989), (7, 131425427), (23, 39999043), (49, 18775061), (79, 11645291), (161, 5714149), (553, 1663613), (1127, 816307), (1817, 506317), (3871, 237659), (10333, 89033), (12719, 72331)]