13860385

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 21833280

約数和(自身を除く): 7972895

約数列:

[1, 5, 7, 11, 35, 37, 49, 55, 77, 139, 185, 245, 259, 385, 407, 539, 695, 973, 1295, 1529, 1813, 2035, 2695, 2849, 4865, 5143, 6811, 7645, 9065, 10703, 14245, 19943, 25715, 34055, 36001, 53515, 56573, 74921, 99715, 180005, 252007, 282865, 374605, 396011, 1260035, 1980055, 2772077, 13860385]

約数ペア:

[(1, 13860385), (5, 2772077), (7, 1980055), (11, 1260035), (35, 396011), (37, 374605), (49, 282865), (55, 252007), (77, 180005), (139, 99715), (185, 74921), (245, 56573), (259, 53515), (385, 36001), (407, 34055), (539, 25715), (695, 19943), (973, 14245), (1295, 10703), (1529, 9065), (1813, 7645), (2035, 6811), (2695, 5143), (2849, 4865)]