817389956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 1541453760

約数和(自身を除く): 724063804

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 307, 614, 661, 1007, 1228, 1322, 2014, 2644, 4028, 5833, 11666, 12559, 16271, 23332, 25118, 32542, 35033, 50236, 65084, 70066, 140132, 202927, 309149, 405854, 618298, 665627, 811708, 1236596, 1331254, 2662508, 3855613, 7711226, 10755131, 15422452, 21510262, 43020524, 204347489, 408694978, 817389956]

約数ペア:

[(1, 817389956), (2, 408694978), (4, 204347489), (19, 43020524), (38, 21510262), (53, 15422452), (76, 10755131), (106, 7711226), (212, 3855613), (307, 2662508), (614, 1331254), (661, 1236596), (1007, 811708), (1228, 665627), (1322, 618298), (2014, 405854), (2644, 309149), (4028, 202927), (5833, 140132), (11666, 70066), (12559, 65084), (16271, 50236), (23332, 35033), (25118, 32542)]