81711704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1283}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 161784000

約数和(自身を除く): 80072296

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 419, 838, 1283, 1676, 2566, 3352, 5132, 7961, 10264, 15922, 24377, 31844, 48754, 63688, 97508, 195016, 537577, 1075154, 2150308, 4300616, 10213963, 20427926, 40855852, 81711704]

約数ペア:

[(1, 81711704), (2, 40855852), (4, 20427926), (8, 10213963), (19, 4300616), (38, 2150308), (76, 1075154), (152, 537577), (419, 195016), (838, 97508), (1283, 63688), (1676, 48754), (2566, 31844), (3352, 24377), (5132, 15922), (7961, 10264)]