199904411

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1\times {\mathrm{1523}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 242279424

約数和(自身を除く): 42375013

約数列:

[1, 7, 17, 119, 1103, 1523, 7721, 10661, 18751, 25891, 131257, 181237, 1679869, 11759083, 28557773, 199904411]

約数ペア:

[(1, 199904411), (7, 28557773), (17, 11759083), (119, 1679869), (1103, 181237), (1523, 131257), (7721, 25891), (10661, 18751)]