71154517

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 86311680

約数和(自身を除く): 15157163

約数列:

[1, 7, 31, 49, 139, 217, 337, 973, 1519, 2359, 4309, 6811, 10447, 16513, 30163, 46843, 73129, 211141, 327901, 511903, 1452133, 2295307, 10164931, 71154517]

約数ペア:

[(1, 71154517), (7, 10164931), (31, 2295307), (49, 1452133), (139, 511903), (217, 327901), (337, 211141), (973, 73129), (1519, 46843), (2359, 30163), (4309, 16513), (6811, 10447)]