12987884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 28901376

約数和(自身を除く): 15913492

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1151, 1612, 2302, 2821, 4604, 5642, 8057, 11284, 14963, 16114, 29926, 32228, 35681, 59852, 71362, 104741, 142724, 209482, 249767, 418964, 463853, 499534, 927706, 999068, 1855412, 3246971, 6493942, 12987884]

約数ペア:

[(1, 12987884), (2, 6493942), (4, 3246971), (7, 1855412), (13, 999068), (14, 927706), (26, 499534), (28, 463853), (31, 418964), (52, 249767), (62, 209482), (91, 142724), (124, 104741), (182, 71362), (217, 59852), (364, 35681), (403, 32228), (434, 29926), (806, 16114), (868, 14963), (1151, 11284), (1612, 8057), (2302, 5642), (2821, 4604)]