664272917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 854184960

約数和(自身を除く): 189912043

約数列:

[1, 7, 11, 59, 73, 77, 413, 511, 649, 803, 2003, 4307, 4543, 5621, 14021, 22033, 30149, 47377, 118177, 146219, 154231, 331639, 827239, 1023533, 1299947, 1608409, 8626921, 9099629, 11258863, 60388447, 94896131, 664272917]

約数ペア:

[(1, 664272917), (7, 94896131), (11, 60388447), (59, 11258863), (73, 9099629), (77, 8626921), (413, 1608409), (511, 1299947), (649, 1023533), (803, 827239), (2003, 331639), (4307, 154231), (4543, 146219), (5621, 118177), (14021, 47377), (22033, 30149)]