321137728

素因数分解:

$2^6\times {\mathrm{263}}^1\times {\mathrm{19079}}^1$

素因数の和:19354

約数の個数: 28

約数和(自身を含む): 639714240

約数和(自身を除く): 318576512

約数列:

[1, 2, 4, 8, 16, 32, 64, 263, 526, 1052, 2104, 4208, 8416, 16832, 19079, 38158, 76316, 152632, 305264, 610528, 1221056, 5017777, 10035554, 20071108, 40142216, 80284432, 160568864, 321137728]

約数ペア:

[(1, 321137728), (2, 160568864), (4, 80284432), (8, 40142216), (16, 20071108), (32, 10035554), (64, 5017777), (263, 1221056), (526, 610528), (1052, 305264), (2104, 152632), (4208, 76316), (8416, 38158), (16832, 19079)]