13049855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 8239105

約数列:

[1, 5, 7, 13, 23, 29, 35, 43, 65, 91, 115, 145, 161, 203, 215, 299, 301, 377, 455, 559, 667, 805, 989, 1015, 1247, 1495, 1505, 1885, 2093, 2639, 2795, 3335, 3913, 4669, 4945, 6235, 6923, 8671, 8729, 10465, 12857, 13195, 16211, 19565, 23345, 28681, 34615, 43355, 43645, 60697, 64285, 81055, 89999, 113477, 143405, 200767, 303485, 372853, 449995, 567385, 1003835, 1864265, 2609971, 13049855]

約数ペア:

[(1, 13049855), (5, 2609971), (7, 1864265), (13, 1003835), (23, 567385), (29, 449995), (35, 372853), (43, 303485), (65, 200767), (91, 143405), (115, 113477), (145, 89999), (161, 81055), (203, 64285), (215, 60697), (299, 43645), (301, 43355), (377, 34615), (455, 28681), (559, 23345), (667, 19565), (805, 16211), (989, 13195), (1015, 12857), (1247, 10465), (1495, 8729), (1505, 8671), (1885, 6923), (2093, 6235), (2639, 4945), (2795, 4669), (3335, 3913)]