7639905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 15644160

約数和(自身を除く): 8004255

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 65, 87, 91, 105, 145, 193, 195, 203, 273, 377, 435, 455, 579, 609, 965, 1015, 1131, 1351, 1365, 1885, 2509, 2639, 2895, 3045, 4053, 5597, 5655, 6755, 7527, 7917, 12545, 13195, 16791, 17563, 20265, 27985, 37635, 39179, 39585, 52689, 72761, 83955, 87815, 117537, 195895, 218283, 263445, 363805, 509327, 587685, 1091415, 1527981, 2546635, 7639905]

約数ペア:

[(1, 7639905), (3, 2546635), (5, 1527981), (7, 1091415), (13, 587685), (15, 509327), (21, 363805), (29, 263445), (35, 218283), (39, 195895), (65, 117537), (87, 87815), (91, 83955), (105, 72761), (145, 52689), (193, 39585), (195, 39179), (203, 37635), (273, 27985), (377, 20265), (435, 17563), (455, 16791), (579, 13195), (609, 12545), (965, 7917), (1015, 7527), (1131, 6755), (1351, 5655), (1365, 5597), (1885, 4053), (2509, 3045), (2639, 2895)]