77831509

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 90380160

約数和(自身を除く): 12548651

約数列:

[1, 7, 101, 283, 389, 707, 1981, 2723, 28583, 39289, 110087, 200081, 275023, 770609, 11118787, 77831509]

約数ペア:

[(1, 77831509), (7, 11118787), (101, 770609), (283, 275023), (389, 200081), (707, 110087), (1981, 39289), (2723, 28583)]