491570495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{487}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 650788992

約数和(自身を除く): 159218497

約数列:

[1, 5, 13, 53, 65, 265, 293, 487, 689, 1465, 2435, 3445, 3809, 6331, 15529, 19045, 25811, 31655, 77645, 129055, 142691, 201877, 335543, 713455, 1009385, 1677715, 1854983, 7562623, 9274915, 37813115, 98314099, 491570495]

約数ペア:

[(1, 491570495), (5, 98314099), (13, 37813115), (53, 9274915), (65, 7562623), (265, 1854983), (293, 1677715), (487, 1009385), (689, 713455), (1465, 335543), (2435, 201877), (3445, 142691), (3809, 129055), (6331, 77645), (15529, 31655), (19045, 25811)]