129781628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{7457}}^1$

素因数の和:7709

約数の個数: 24

約数和(自身を含む): 240147600

約数和(自身を除く): 110365972

約数列:

[1, 2, 4, 19, 38, 76, 229, 458, 916, 4351, 7457, 8702, 14914, 17404, 29828, 141683, 283366, 566732, 1707653, 3415306, 6830612, 32445407, 64890814, 129781628]

約数ペア:

[(1, 129781628), (2, 64890814), (4, 32445407), (19, 6830612), (38, 3415306), (76, 1707653), (229, 566732), (458, 283366), (916, 141683), (4351, 29828), (7457, 17404), (8702, 14914)]