81502252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{15217}}^1$

素因数の和:15337

約数の個数: 24

約数和(自身を含む): 155101856

約数和(自身を除く): 73599604

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 15217, 30434, 60868, 197821, 395642, 791284, 1567351, 3134702, 6269404, 20375563, 40751126, 81502252]

約数ペア:

[(1, 81502252), (2, 40751126), (4, 20375563), (13, 6269404), (26, 3134702), (52, 1567351), (103, 791284), (206, 395642), (412, 197821), (1339, 60868), (2678, 30434), (5356, 15217)]