28204856

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 54308880

約数和(自身を除く): 26104024

約数列:

[1, 2, 4, 8, 67, 101, 134, 202, 268, 404, 521, 536, 808, 1042, 2084, 4168, 6767, 13534, 27068, 34907, 52621, 54136, 69814, 105242, 139628, 210484, 279256, 420968, 3525607, 7051214, 14102428, 28204856]

約数ペア:

[(1, 28204856), (2, 14102428), (4, 7051214), (8, 3525607), (67, 420968), (101, 279256), (134, 210484), (202, 139628), (268, 105242), (404, 69814), (521, 54136), (536, 52621), (808, 34907), (1042, 27068), (2084, 13534), (4168, 6767)]