664689956

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 1347024000

約数和(自身を除く): 682334044

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 421, 452, 499, 791, 842, 998, 1582, 1684, 1996, 2947, 3164, 3493, 5894, 6986, 11788, 13972, 47573, 56387, 95146, 112774, 190292, 210079, 225548, 333011, 394709, 420158, 666022, 789418, 840316, 1332044, 1470553, 1578836, 2941106, 5882212, 23738927, 47477854, 94955708, 166172489, 332344978, 664689956]

約数ペア:

[(1, 664689956), (2, 332344978), (4, 166172489), (7, 94955708), (14, 47477854), (28, 23738927), (113, 5882212), (226, 2941106), (421, 1578836), (452, 1470553), (499, 1332044), (791, 840316), (842, 789418), (998, 666022), (1582, 420158), (1684, 394709), (1996, 333011), (2947, 225548), (3164, 210079), (3493, 190292), (5894, 112774), (6986, 95146), (11788, 56387), (13972, 47573)]