399308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 860832

約数和(自身を除く): 461524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1097, 2194, 4388, 7679, 14261, 15358, 28522, 30716, 57044, 99827, 199654, 399308]

約数ペア:

[(1, 399308), (2, 199654), (4, 99827), (7, 57044), (13, 30716), (14, 28522), (26, 15358), (28, 14261), (52, 7679), (91, 4388), (182, 2194), (364, 1097)]