82012721

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 101314080

約数和(自身を除く): 19301359

約数列:

[1, 7, 19, 49, 133, 137, 643, 931, 959, 2603, 4501, 6713, 12217, 18221, 31507, 85519, 88091, 127547, 598633, 616637, 1673729, 4316459, 11716103, 82012721]

約数ペア:

[(1, 82012721), (7, 11716103), (19, 4316459), (49, 1673729), (133, 616637), (137, 598633), (643, 127547), (931, 88091), (959, 85519), (2603, 31507), (4501, 18221), (6713, 12217)]