71993410

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^2$

素因数の和:630

約数の個数: 24

約数和(自身を含む): 131287860

約数和(自身を除く): 59294450

約数列:

[1, 2, 5, 10, 109, 218, 257, 514, 545, 1090, 1285, 2570, 28013, 56026, 66049, 132098, 140065, 280130, 330245, 660490, 7199341, 14398682, 35996705, 71993410]

約数ペア:

[(1, 71993410), (2, 35996705), (5, 14398682), (10, 7199341), (109, 660490), (218, 330245), (257, 280130), (514, 140065), (545, 132098), (1090, 66049), (1285, 56026), (2570, 28013)]