258217728

素因数分解:

$2^8\times 3^1\times {\mathrm{336221}}^1$

素因数の和:336240

約数の個数: 36

約数和(自身を含む): 687237768

約数和(自身を除く): 429020040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 336221, 672442, 1008663, 1344884, 2017326, 2689768, 4034652, 5379536, 8069304, 10759072, 16138608, 21518144, 32277216, 43036288, 64554432, 86072576, 129108864, 258217728]

約数ペア:

[(1, 258217728), (2, 129108864), (3, 86072576), (4, 64554432), (6, 43036288), (8, 32277216), (12, 21518144), (16, 16138608), (24, 10759072), (32, 8069304), (48, 5379536), (64, 4034652), (96, 2689768), (128, 2017326), (192, 1344884), (256, 1008663), (384, 672442), (768, 336221)]