83874133

素因数分解:

$7^4\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 20

約数和(自身を含む): 98897708

約数和(自身を除く): 15023575

約数列:

[1, 7, 49, 181, 193, 343, 1267, 1351, 2401, 8869, 9457, 34933, 62083, 66199, 244531, 434581, 463393, 1711717, 11982019, 83874133]

約数ペア:

[(1, 83874133), (7, 11982019), (49, 1711717), (181, 463393), (193, 434581), (343, 244531), (1267, 66199), (1351, 62083), (2401, 34933), (8869, 9457)]