189249364

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{15497}}^1$

素因数の和:15615

約数の個数: 24

約数和(自身を含む): 343683648

約数和(自身を除く): 154434284

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 3053, 6106, 12212, 15497, 30994, 61988, 666371, 1100287, 1332742, 2200574, 2665484, 4401148, 47312341, 94624682, 189249364]

約数ペア:

[(1, 189249364), (2, 94624682), (4, 47312341), (43, 4401148), (71, 2665484), (86, 2200574), (142, 1332742), (172, 1100287), (284, 666371), (3053, 61988), (6106, 30994), (12212, 15497)]