213780959405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{7823}}^1\times {\mathrm{420419}}^1$

素因数の和:428260

約数の個数: 16

約数和(自身を含む): 276306750720

約数和(自身を除く): 62525791315

約数列:

[1, 5, 13, 65, 7823, 39115, 101699, 420419, 508495, 2102095, 5465447, 27327235, 3288937837, 16444689185, 42756191881, 213780959405]

約数ペア:

[(1, 213780959405), (5, 42756191881), (13, 16444689185), (65, 3288937837), (7823, 27327235), (39115, 5465447), (101699, 2102095), (420419, 508495)]