398201208

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{721379}}^1$

素因数の和:721411

約数の個数: 32

約数和(自身を含む): 1038787200

約数和(自身を除く): 640585992

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 721379, 1442758, 2164137, 2885516, 4328274, 5771032, 8656548, 16591717, 17313096, 33183434, 49775151, 66366868, 99550302, 132733736, 199100604, 398201208]

約数ペア:

[(1, 398201208), (2, 199100604), (3, 132733736), (4, 99550302), (6, 66366868), (8, 49775151), (12, 33183434), (23, 17313096), (24, 16591717), (46, 8656548), (69, 5771032), (92, 4328274), (138, 2885516), (184, 2164137), (276, 1442758), (552, 721379)]