664219346

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{2069}}^1$

素因数の和:3098

約数の個数: 32

約数和(自身を含む): 1189935360

約数和(自身を除く): 525716014

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 997, 1994, 2069, 4138, 6979, 13958, 14483, 22931, 28966, 45862, 47587, 95174, 160517, 321034, 333109, 666218, 2062793, 4125586, 14439551, 28879102, 47444239, 94888478, 332109673, 664219346]

約数ペア:

[(1, 664219346), (2, 332109673), (7, 94888478), (14, 47444239), (23, 28879102), (46, 14439551), (161, 4125586), (322, 2062793), (997, 666218), (1994, 333109), (2069, 321034), (4138, 160517), (6979, 95174), (13958, 47587), (14483, 45862), (22931, 28966)]