77974738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 126720000

約数和(自身を除く): 48745262

約数列:

[1, 2, 23, 43, 46, 79, 86, 158, 499, 989, 998, 1817, 1978, 3397, 3634, 6794, 11477, 21457, 22954, 39421, 42914, 78131, 78842, 156262, 493511, 906683, 987022, 1695103, 1813366, 3390206, 38987369, 77974738]

約数ペア:

[(1, 77974738), (2, 38987369), (23, 3390206), (43, 1813366), (46, 1695103), (79, 987022), (86, 906683), (158, 493511), (499, 156262), (989, 78842), (998, 78131), (1817, 42914), (1978, 39421), (3397, 22954), (3634, 21457), (6794, 11477)]