64819963

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 79833600

約数和(自身を除く): 15013637

約数列:

[1, 13, 17, 19, 43, 221, 247, 323, 359, 559, 731, 817, 4199, 4667, 6103, 6821, 9503, 10621, 13889, 15437, 79339, 88673, 115957, 180557, 200681, 262429, 293303, 1507441, 3411577, 3812939, 4986151, 64819963]

約数ペア:

[(1, 64819963), (13, 4986151), (17, 3812939), (19, 3411577), (43, 1507441), (221, 293303), (247, 262429), (323, 200681), (359, 180557), (559, 115957), (731, 88673), (817, 79339), (4199, 15437), (4667, 13889), (6103, 10621), (6821, 9503)]