28209127856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19374401}}^1$

素因数の和:19374429

約数の個数: 40

約数和(自身を含む): 67267923744

約数和(自身を除く): 39058795888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19374401, 38748802, 77497604, 135620807, 154995208, 251867213, 271241614, 309990416, 503734426, 542483228, 1007468852, 1084966456, 1763070491, 2014937704, 2169932912, 3526140982, 4029875408, 7052281964, 14104563928, 28209127856]

約数ペア:

[(1, 28209127856), (2, 14104563928), (4, 7052281964), (7, 4029875408), (8, 3526140982), (13, 2169932912), (14, 2014937704), (16, 1763070491), (26, 1084966456), (28, 1007468852), (52, 542483228), (56, 503734426), (91, 309990416), (104, 271241614), (112, 251867213), (182, 154995208), (208, 135620807), (364, 77497604), (728, 38748802), (1456, 19374401)]