64947272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{859}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 131476800

約数和(自身を除く): 66529528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 727, 859, 1454, 1718, 2908, 3436, 5816, 6872, 9451, 11167, 18902, 22334, 37804, 44668, 75608, 89336, 624493, 1248986, 2497972, 4995944, 8118409, 16236818, 32473636, 64947272]

約数ペア:

[(1, 64947272), (2, 32473636), (4, 16236818), (8, 8118409), (13, 4995944), (26, 2497972), (52, 1248986), (104, 624493), (727, 89336), (859, 75608), (1454, 44668), (1718, 37804), (2908, 22334), (3436, 18902), (5816, 11167), (6872, 9451)]