745996842

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{2663}}^1$

素因数の和:2947

約数の個数: 48

約数和(自身を含む): 1645712640

約数和(自身を除く): 899715798

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 197, 237, 394, 474, 591, 711, 1182, 1422, 1773, 2663, 3546, 5326, 7989, 15563, 15978, 23967, 31126, 46689, 47934, 93378, 140067, 210377, 280134, 420754, 524611, 631131, 1049222, 1262262, 1573833, 1893393, 3147666, 3786786, 4721499, 9442998, 41444269, 82888538, 124332807, 248665614, 372998421, 745996842]

約数ペア:

[(1, 745996842), (2, 372998421), (3, 248665614), (6, 124332807), (9, 82888538), (18, 41444269), (79, 9442998), (158, 4721499), (197, 3786786), (237, 3147666), (394, 1893393), (474, 1573833), (591, 1262262), (711, 1049222), (1182, 631131), (1422, 524611), (1773, 420754), (2663, 280134), (3546, 210377), (5326, 140067), (7989, 93378), (15563, 47934), (15978, 46689), (23967, 31126)]