140219216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{203807}}^1$

素因数の和:203858

約数の個数: 20

約数和(自身を含む): 277994112

約数和(自身を除く): 137774896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 203807, 407614, 815228, 1630456, 3260912, 8763701, 17527402, 35054804, 70109608, 140219216]

約数ペア:

[(1, 140219216), (2, 70109608), (4, 35054804), (8, 17527402), (16, 8763701), (43, 3260912), (86, 1630456), (172, 815228), (344, 407614), (688, 203807)]