251012195

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 353396736

約数和(自身を除く): 102384541

約数列:

[1, 5, 7, 35, 47, 235, 329, 331, 461, 1645, 1655, 2305, 2317, 3227, 11585, 15557, 16135, 21667, 77785, 108335, 108899, 151669, 152591, 544495, 758345, 762955, 1068137, 5340685, 7171777, 35858885, 50202439, 251012195]

約数ペア:

[(1, 251012195), (5, 50202439), (7, 35858885), (35, 7171777), (47, 5340685), (235, 1068137), (329, 762955), (331, 758345), (461, 544495), (1645, 152591), (1655, 151669), (2305, 108899), (2317, 108335), (3227, 77785), (11585, 21667), (15557, 16135)]