1994172887

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{538529}}^1$

素因数の和:538582

約数の個数: 12

約数和(自身を含む): 2382456720

約数和(自身を除く): 388283833

約数列:

[1, 7, 23, 161, 529, 3703, 538529, 3769703, 12386167, 86703169, 284881841, 1994172887]

約数ペア:

[(1, 1994172887), (7, 284881841), (23, 86703169), (161, 12386167), (529, 3769703), (3703, 538529)]