388492028

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{2819}}^1$

素因数の和:3217

約数の個数: 24

約数和(自身を含む): 687899520

約数和(自身を除く): 299407492

約数列:

[1, 2, 4, 131, 262, 263, 524, 526, 1052, 2819, 5638, 11276, 34453, 68906, 137812, 369289, 738578, 741397, 1477156, 1482794, 2965588, 97123007, 194246014, 388492028]

約数ペア:

[(1, 388492028), (2, 194246014), (4, 97123007), (131, 2965588), (262, 1482794), (263, 1477156), (524, 741397), (526, 738578), (1052, 369289), (2819, 137812), (5638, 68906), (11276, 34453)]