81419933

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4057}}^1$

素因数の和:4172

約数の個数: 16

約数和(自身を含む): 96612864

約数和(自身を除く): 15192931

約数列:

[1, 7, 47, 61, 329, 427, 2867, 4057, 20069, 28399, 190679, 247477, 1334753, 1732339, 11631419, 81419933]

約数ペア:

[(1, 81419933), (7, 11631419), (47, 1732339), (61, 1334753), (329, 247477), (427, 190679), (2867, 28399), (4057, 20069)]