216775921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 232960000

約数和(自身を除く): 16184079

約数列:

[1, 19, 79, 139, 1039, 1501, 2641, 10981, 19741, 82081, 144421, 208639, 1559539, 2743999, 11409259, 216775921]

約数ペア:

[(1, 216775921), (19, 11409259), (79, 2743999), (139, 1559539), (1039, 208639), (1501, 144421), (2641, 82081), (10981, 19741)]