28645309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3413}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 36051840

約数和(自身を除く): 7406531

約数列:

[1, 7, 11, 77, 109, 763, 1199, 3413, 8393, 23891, 37543, 262801, 372017, 2604119, 4092187, 28645309]

約数ペア:

[(1, 28645309), (7, 4092187), (11, 2604119), (77, 372017), (109, 262801), (763, 37543), (1199, 23891), (3413, 8393)]