7139888

素因数分解:

$2^4\times 7^3\times {\mathrm{1301}}^1$

素因数の和:1330

約数の個数: 40

約数和(自身を含む): 16144800

約数和(自身を除く): 9004912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1301, 1372, 2602, 2744, 5204, 5488, 9107, 10408, 18214, 20816, 36428, 63749, 72856, 127498, 145712, 254996, 446243, 509992, 892486, 1019984, 1784972, 3569944, 7139888]

約数ペア:

[(1, 7139888), (2, 3569944), (4, 1784972), (7, 1019984), (8, 892486), (14, 509992), (16, 446243), (28, 254996), (49, 145712), (56, 127498), (98, 72856), (112, 63749), (196, 36428), (343, 20816), (392, 18214), (686, 10408), (784, 9107), (1301, 5488), (1372, 5204), (2602, 2744)]