291223382

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{2203}}^1$

素因数の和:2783

約数の個数: 16

約数和(自身を含む): 440861712

約数和(自身を除く): 149638330

約数列:

[1, 2, 157, 314, 421, 842, 2203, 4406, 66097, 132194, 345871, 691742, 927463, 1854926, 145611691, 291223382]

約数ペア:

[(1, 291223382), (2, 145611691), (157, 1854926), (314, 927463), (421, 691742), (842, 345871), (2203, 132194), (4406, 66097)]