398416864

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{204107}}^1$

素因数の和:204178

約数の個数: 24

約数和(自身を含む): 797245848

約数和(自身を除く): 398828984

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 204107, 408214, 816428, 1632856, 3265712, 6531424, 12450527, 24901054, 49802108, 99604216, 199208432, 398416864]

約数ペア:

[(1, 398416864), (2, 199208432), (4, 99604216), (8, 49802108), (16, 24901054), (32, 12450527), (61, 6531424), (122, 3265712), (244, 1632856), (488, 816428), (976, 408214), (1952, 204107)]