9891978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 21136896

約数和(自身を除く): 11244918

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1667, 1978, 2967, 3334, 5001, 5934, 10002, 38341, 71681, 76682, 115023, 143362, 215043, 230046, 430086, 1648663, 3297326, 4945989, 9891978]

約数ペア:

[(1, 9891978), (2, 4945989), (3, 3297326), (6, 1648663), (23, 430086), (43, 230046), (46, 215043), (69, 143362), (86, 115023), (129, 76682), (138, 71681), (258, 38341), (989, 10002), (1667, 5934), (1978, 5001), (2967, 3334)]