13813247

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 17414640

約数和(自身を除く): 3601393

約数列:

[1, 7, 19, 37, 49, 133, 259, 401, 703, 931, 1813, 2807, 4921, 7619, 14837, 19649, 34447, 53333, 103859, 281903, 373331, 727013, 1973321, 13813247]

約数ペア:

[(1, 13813247), (7, 1973321), (19, 727013), (37, 373331), (49, 281903), (133, 103859), (259, 53333), (401, 34447), (703, 19649), (931, 14837), (1813, 7619), (2807, 4921)]