891662681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 1161259008

約数和(自身を除く): 269596327

約数列:

[1, 7, 13, 29, 61, 91, 191, 203, 377, 427, 793, 841, 1337, 1769, 2483, 2639, 5539, 5551, 5887, 10933, 11651, 12383, 17381, 22997, 38773, 51301, 72007, 76531, 81557, 151463, 160631, 160979, 337879, 359107, 504049, 666913, 1060241, 1124417, 2088203, 2365153, 4392427, 4668391, 9798491, 14617421, 30746989, 68589437, 127380383, 891662681]

約数ペア:

[(1, 891662681), (7, 127380383), (13, 68589437), (29, 30746989), (61, 14617421), (91, 9798491), (191, 4668391), (203, 4392427), (377, 2365153), (427, 2088203), (793, 1124417), (841, 1060241), (1337, 666913), (1769, 504049), (2483, 359107), (2639, 337879), (5539, 160979), (5551, 160631), (5887, 151463), (10933, 81557), (11651, 76531), (12383, 72007), (17381, 51301), (22997, 38773)]