81613792

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{196187}}^1$

素因数の和:196210

約数の個数: 24

約数和(自身を含む): 173037816

約数和(自身を除く): 91424024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 196187, 392374, 784748, 1569496, 2550431, 3138992, 5100862, 6277984, 10201724, 20403448, 40806896, 81613792]

約数ペア:

[(1, 81613792), (2, 40806896), (4, 20403448), (8, 10201724), (13, 6277984), (16, 5100862), (26, 3138992), (32, 2550431), (52, 1569496), (104, 784748), (208, 392374), (416, 196187)]