81869828

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 145083288

約数和(自身を除く): 63213460

約数列:

[1, 2, 4, 173, 193, 346, 386, 613, 692, 772, 1226, 2452, 33389, 66778, 106049, 118309, 133556, 212098, 236618, 424196, 473236, 20467457, 40934914, 81869828]

約数ペア:

[(1, 81869828), (2, 40934914), (4, 20467457), (173, 473236), (193, 424196), (346, 236618), (386, 212098), (613, 133556), (692, 118309), (772, 106049), (1226, 66778), (2452, 33389)]