128243484

素因数分解:

$2^2\times 3^2\times {\mathrm{821}}^1\times {\mathrm{4339}}^1$

素因数の和:5170

約数の個数: 36

約数和(自身を含む): 324640680

約数和(自身を除く): 196397196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 821, 1642, 2463, 3284, 4339, 4926, 7389, 8678, 9852, 13017, 14778, 17356, 26034, 29556, 39051, 52068, 78102, 156204, 3562319, 7124638, 10686957, 14249276, 21373914, 32060871, 42747828, 64121742, 128243484]

約数ペア:

[(1, 128243484), (2, 64121742), (3, 42747828), (4, 32060871), (6, 21373914), (9, 14249276), (12, 10686957), (18, 7124638), (36, 3562319), (821, 156204), (1642, 78102), (2463, 52068), (3284, 39051), (4339, 29556), (4926, 26034), (7389, 17356), (8678, 14778), (9852, 13017)]