71405456

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103787}}^1$

素因数の和:103838

約数の個数: 20

約数和(自身を含む): 141566832

約数和(自身を除く): 70161376

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 103787, 207574, 415148, 830296, 1660592, 4462841, 8925682, 17851364, 35702728, 71405456]

約数ペア:

[(1, 71405456), (2, 35702728), (4, 17851364), (8, 8925682), (16, 4462841), (43, 1660592), (86, 830296), (172, 415148), (344, 207574), (688, 103787)]