216764779

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1013}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 276043248

約数和(自身を除く): 59278469

約数列:

[1, 7, 11, 49, 77, 397, 539, 1013, 2779, 4367, 7091, 11143, 19453, 30569, 49637, 78001, 213983, 402161, 546007, 2815127, 4423771, 19705889, 30966397, 216764779]

約数ペア:

[(1, 216764779), (7, 30966397), (11, 19705889), (49, 4423771), (77, 2815127), (397, 546007), (539, 402161), (1013, 213983), (2779, 78001), (4367, 49637), (7091, 30569), (11143, 19453)]