395678228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{3181}}^1$

素因数の和:3464

約数の個数: 36

約数和(自身を含む): 764310036

約数和(自身を除く): 368631808

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 257, 484, 514, 1028, 2827, 3181, 5654, 6362, 11308, 12724, 31097, 34991, 62194, 69982, 124388, 139964, 384901, 769802, 817517, 1539604, 1635034, 3270068, 8992687, 17985374, 35970748, 98919557, 197839114, 395678228]

約数ペア:

[(1, 395678228), (2, 197839114), (4, 98919557), (11, 35970748), (22, 17985374), (44, 8992687), (121, 3270068), (242, 1635034), (257, 1539604), (484, 817517), (514, 769802), (1028, 384901), (2827, 139964), (3181, 124388), (5654, 69982), (6362, 62194), (11308, 34991), (12724, 31097)]