1640648466

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1320973}}^1$

素因数の和:1321007

約数の個数: 32

約数和(自身を含む): 3804405120

約数和(自身を除く): 2163756654

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 1320973, 2641946, 3962919, 7925838, 11888757, 23777514, 30382379, 35666271, 60764758, 71332542, 91147137, 182294274, 273441411, 546882822, 820324233, 1640648466]

約数ペア:

[(1, 1640648466), (2, 820324233), (3, 546882822), (6, 273441411), (9, 182294274), (18, 91147137), (23, 71332542), (27, 60764758), (46, 35666271), (54, 30382379), (69, 23777514), (138, 11888757), (207, 7925838), (414, 3962919), (621, 2641946), (1242, 1320973)]