81784126

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 124225920

約数和(自身を除く): 42441794

約数列:

[1, 2, 157, 181, 314, 362, 1439, 2878, 28417, 56834, 225923, 260459, 451846, 520918, 40892063, 81784126]

約数ペア:

[(1, 81784126), (2, 40892063), (157, 520918), (181, 451846), (314, 260459), (362, 225923), (1439, 56834), (2878, 28417)]