1318773659

素因数分解:

$7^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1766

約数の個数: 16

約数和(自身を含む): 1515270336

約数和(自身を除く): 196496677

約数列:

[1, 7, 421, 661, 677, 2947, 4627, 4739, 278281, 285017, 447497, 1947967, 1995119, 3132479, 188396237, 1318773659]

約数ペア:

[(1, 1318773659), (7, 188396237), (421, 3132479), (661, 1995119), (677, 1947967), (2947, 447497), (4627, 285017), (4739, 278281)]