25171496

素因数分解:

$2^3\times 7^2\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 55386900

約数和(自身を除く): 30215404

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 314, 392, 409, 628, 818, 1099, 1256, 1636, 2198, 2863, 3272, 4396, 5726, 7693, 8792, 11452, 15386, 20041, 22904, 30772, 40082, 61544, 64213, 80164, 128426, 160328, 256852, 449491, 513704, 898982, 1797964, 3146437, 3595928, 6292874, 12585748, 25171496]

約数ペア:

[(1, 25171496), (2, 12585748), (4, 6292874), (7, 3595928), (8, 3146437), (14, 1797964), (28, 898982), (49, 513704), (56, 449491), (98, 256852), (157, 160328), (196, 128426), (314, 80164), (392, 64213), (409, 61544), (628, 40082), (818, 30772), (1099, 22904), (1256, 20041), (1636, 15386), (2198, 11452), (2863, 8792), (3272, 7693), (4396, 5726)]