31054270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{238879}}^1$

素因数の和:238899

約数の個数: 16

約数和(自身を含む): 60197760

約数和(自身を除く): 29143490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 238879, 477758, 1194395, 2388790, 3105427, 6210854, 15527135, 31054270]

約数ペア:

[(1, 31054270), (2, 15527135), (5, 6210854), (10, 3105427), (13, 2388790), (26, 1194395), (65, 477758), (130, 238879)]