281851216

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{134471}}^1$

素因数の和:134610

約数の個数: 20

約数和(自身を含む): 550259424

約数和(自身を除く): 268408208

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 134471, 268942, 537884, 1075768, 2151536, 17615701, 35231402, 70462804, 140925608, 281851216]

約数ペア:

[(1, 281851216), (2, 140925608), (4, 70462804), (8, 35231402), (16, 17615701), (131, 2151536), (262, 1075768), (524, 537884), (1048, 268942), (2096, 134471)]