256468132

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{1861}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 454208832

約数和(自身を除く): 197740700

約数列:

[1, 2, 4, 131, 262, 263, 524, 526, 1052, 1861, 3722, 7444, 34453, 68906, 137812, 243791, 487582, 489443, 975164, 978886, 1957772, 64117033, 128234066, 256468132]

約数ペア:

[(1, 256468132), (2, 128234066), (4, 64117033), (131, 1957772), (262, 978886), (263, 975164), (524, 489443), (526, 487582), (1052, 243791), (1861, 137812), (3722, 68906), (7444, 34453)]