31408705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 38769984

約数和(自身を除く): 7361279

約数列:

[1, 5, 43, 215, 347, 421, 1735, 2105, 14921, 18103, 74605, 90515, 146087, 730435, 6281741, 31408705]

約数ペア:

[(1, 31408705), (5, 6281741), (43, 730435), (215, 146087), (347, 90515), (421, 74605), (1735, 18103), (2105, 14921)]