388773991

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{2287}}^1$

素因数の和:2718

約数の個数: 16

約数和(自身を含む): 428313600

約数和(自身を除く): 39539609

約数列:

[1, 19, 23, 389, 437, 2287, 7391, 8947, 43453, 52601, 169993, 889643, 999419, 16903217, 20461789, 388773991]

約数ペア:

[(1, 388773991), (19, 20461789), (23, 16903217), (389, 999419), (437, 889643), (2287, 169993), (7391, 52601), (8947, 43453)]