131426764

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 267904000

約数和(自身を除く): 136477236

約数列:

[1, 2, 4, 7, 14, 28, 103, 199, 206, 229, 398, 412, 458, 721, 796, 916, 1393, 1442, 1603, 2786, 2884, 3206, 5572, 6412, 20497, 23587, 40994, 45571, 47174, 81988, 91142, 94348, 143479, 165109, 182284, 286958, 318997, 330218, 573916, 637994, 660436, 1275988, 4693813, 9387626, 18775252, 32856691, 65713382, 131426764]

約数ペア:

[(1, 131426764), (2, 65713382), (4, 32856691), (7, 18775252), (14, 9387626), (28, 4693813), (103, 1275988), (199, 660436), (206, 637994), (229, 573916), (398, 330218), (412, 318997), (458, 286958), (721, 182284), (796, 165109), (916, 143479), (1393, 94348), (1442, 91142), (1603, 81988), (2786, 47174), (2884, 45571), (3206, 40994), (5572, 23587), (6412, 20497)]