81643606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3433}}^1$

素因数の和:3516

約数の個数: 32

約数和(自身を含む): 142414848

約数和(自身を除く): 60771242

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 253, 506, 517, 1034, 1081, 2162, 3433, 6866, 11891, 23782, 37763, 75526, 78959, 157918, 161351, 322702, 868549, 1737098, 1774861, 3549722, 3711073, 7422146, 40821803, 81643606]

約数ペア:

[(1, 81643606), (2, 40821803), (11, 7422146), (22, 3711073), (23, 3549722), (46, 1774861), (47, 1737098), (94, 868549), (253, 322702), (506, 161351), (517, 157918), (1034, 78959), (1081, 75526), (2162, 37763), (3433, 23782), (6866, 11891)]