12401279905

素因数分解:

$5^1\times 7^3\times {\mathrm{2531}}^1\times {\mathrm{2857}}^1$

素因数の和:5414

約数の個数: 32

約数和(自身を含む): 17367494400

約数和(自身を除く): 4966214495

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2531, 2857, 12655, 14285, 17717, 19999, 88585, 99995, 124019, 139993, 620095, 699965, 868133, 979951, 4340665, 4899755, 7231067, 36155335, 50617469, 253087345, 354322283, 1771611415, 2480255981, 12401279905]

約数ペア:

[(1, 12401279905), (5, 2480255981), (7, 1771611415), (35, 354322283), (49, 253087345), (245, 50617469), (343, 36155335), (1715, 7231067), (2531, 4899755), (2857, 4340665), (12655, 979951), (14285, 868133), (17717, 699965), (19999, 620095), (88585, 139993), (99995, 124019)]