64888628

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{37991}}^1$

素因数の和:38063

約数の個数: 24

約数和(自身を含む): 131908224

約数和(自身を除く): 67019596

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 37991, 75982, 151964, 265937, 531874, 1063748, 2317451, 4634902, 9269804, 16222157, 32444314, 64888628]

約数ペア:

[(1, 64888628), (2, 32444314), (4, 16222157), (7, 9269804), (14, 4634902), (28, 2317451), (61, 1063748), (122, 531874), (244, 265937), (427, 151964), (854, 75982), (1708, 37991)]