223840393

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{3167}}^1$

素因数の和:3636

約数の個数: 16

約数和(自身を含む): 267632640

約数和(自身を除く): 43792247

約数列:

[1, 7, 23, 161, 439, 3073, 3167, 10097, 22169, 70679, 72841, 509887, 1390313, 9732191, 31977199, 223840393]

約数ペア:

[(1, 223840393), (7, 31977199), (23, 9732191), (161, 1390313), (439, 509887), (3073, 72841), (3167, 70679), (10097, 22169)]