81521256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199807}}^1$

素因数の和:199833

約数の個数: 32

約数和(自身を含む): 215792640

約数和(自身を除く): 134271384

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 199807, 399614, 599421, 799228, 1198842, 1598456, 2397684, 3396719, 4795368, 6793438, 10190157, 13586876, 20380314, 27173752, 40760628, 81521256]

約数ペア:

[(1, 81521256), (2, 40760628), (3, 27173752), (4, 20380314), (6, 13586876), (8, 10190157), (12, 6793438), (17, 4795368), (24, 3396719), (34, 2397684), (51, 1598456), (68, 1198842), (102, 799228), (136, 599421), (204, 399614), (408, 199807)]