15666891879

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{81817}}^1$

素因数の和:81951

約数の個数: 32

約数和(自身を含む): 22621040640

約数和(自身を除く): 6954148761

約数列:

[1, 3, 29, 31, 71, 87, 93, 213, 899, 2059, 2201, 2697, 6177, 6603, 63829, 81817, 191487, 245451, 2372693, 2536327, 5809007, 7118079, 7608981, 17427021, 73553483, 168461203, 180079217, 220660449, 505383609, 540237651, 5222297293, 15666891879]

約数ペア:

[(1, 15666891879), (3, 5222297293), (29, 540237651), (31, 505383609), (71, 220660449), (87, 180079217), (93, 168461203), (213, 73553483), (899, 17427021), (2059, 7608981), (2201, 7118079), (2697, 5809007), (6177, 2536327), (6603, 2372693), (63829, 245451), (81817, 191487)]