80753972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{17449}}^1$

素因数の和:17555

約数の個数: 24

約数和(自身を含む): 153909000

約数和(自身を除く): 73155028

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 17449, 34898, 69796, 226837, 453674, 907348, 1552961, 3105922, 6211844, 20188493, 40376986, 80753972]

約数ペア:

[(1, 80753972), (2, 40376986), (4, 20188493), (13, 6211844), (26, 3105922), (52, 1552961), (89, 907348), (178, 453674), (356, 226837), (1157, 69796), (2314, 34898), (4628, 17449)]