291215468

素因数分解:

$2^2\times {\mathrm{2861}}^1\times {\mathrm{25447}}^1$

素因数の和:28312

約数の個数: 12

約数和(自身を含む): 509825232

約数和(自身を除く): 218609764

約数列:

[1, 2, 4, 2861, 5722, 11444, 25447, 50894, 101788, 72803867, 145607734, 291215468]

約数ペア:

[(1, 291215468), (2, 145607734), (4, 72803867), (2861, 101788), (5722, 50894), (11444, 25447)]