81648554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 135045120

約数和(自身を除く): 53396566

約数列:

[1, 2, 13, 26, 79, 127, 158, 254, 313, 626, 1027, 1651, 2054, 3302, 4069, 8138, 10033, 20066, 24727, 39751, 49454, 79502, 130429, 260858, 321451, 516763, 642902, 1033526, 3140329, 6280658, 40824277, 81648554]

約数ペア:

[(1, 81648554), (2, 40824277), (13, 6280658), (26, 3140329), (79, 1033526), (127, 642902), (158, 516763), (254, 321451), (313, 260858), (626, 130429), (1027, 79502), (1651, 49454), (2054, 39751), (3302, 24727), (4069, 20066), (8138, 10033)]