1215705589

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{39989}}^1$

素因数の和:40140

約数の個数: 16

約数和(自身を含む): 1435800960

約数和(自身を除く): 220095371

約数列:

[1, 7, 43, 101, 301, 707, 4343, 30401, 39989, 279923, 1719527, 4038889, 12036689, 28272223, 173672227, 1215705589]

約数ペア:

[(1, 1215705589), (7, 173672227), (43, 28272223), (101, 12036689), (301, 4038889), (707, 1719527), (4343, 279923), (30401, 39989)]