690764543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 857640960

約数和(自身を除く): 166876417

約数列:

[1, 7, 23, 29, 161, 197, 203, 667, 751, 1379, 4531, 4669, 5257, 5713, 17273, 21779, 31717, 39991, 120911, 131399, 147947, 152453, 500917, 919793, 1035629, 3402781, 3506419, 4290463, 23819467, 30033241, 98680649, 690764543]

約数ペア:

[(1, 690764543), (7, 98680649), (23, 30033241), (29, 23819467), (161, 4290463), (197, 3506419), (203, 3402781), (667, 1035629), (751, 919793), (1379, 500917), (4531, 152453), (4669, 147947), (5257, 131399), (5713, 120911), (17273, 39991), (21779, 31717)]