251777138

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{2969}}^1$

素因数の和:3469

約数の個数: 16

約数和(自身を含む): 382239000

約数和(自身を除く): 130461862

約数列:

[1, 2, 109, 218, 389, 778, 2969, 5938, 42401, 84802, 323621, 647242, 1154941, 2309882, 125888569, 251777138]

約数ペア:

[(1, 251777138), (2, 125888569), (109, 2309882), (218, 1154941), (389, 647242), (778, 323621), (2969, 84802), (5938, 42401)]