28287714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 70447104

約数和(自身を除く): 42159390

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 503, 546, 618, 721, 1006, 1339, 1442, 1509, 2163, 2678, 3018, 3521, 4017, 4326, 6539, 7042, 8034, 9373, 10563, 13078, 18746, 19617, 21126, 28119, 39234, 45773, 51809, 56238, 91546, 103618, 137319, 155427, 274638, 310854, 362663, 673517, 725326, 1087989, 1347034, 2020551, 2175978, 4041102, 4714619, 9429238, 14143857, 28287714]

約数ペア:

[(1, 28287714), (2, 14143857), (3, 9429238), (6, 4714619), (7, 4041102), (13, 2175978), (14, 2020551), (21, 1347034), (26, 1087989), (39, 725326), (42, 673517), (78, 362663), (91, 310854), (103, 274638), (182, 155427), (206, 137319), (273, 103618), (309, 91546), (503, 56238), (546, 51809), (618, 45773), (721, 39234), (1006, 28119), (1339, 21126), (1442, 19617), (1509, 18746), (2163, 13078), (2678, 10563), (3018, 9373), (3521, 8034), (4017, 7042), (4326, 6539)]