140037974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{3491}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 217230336

約数和(自身を除く): 77192362

約数列:

[1, 2, 31, 62, 647, 1294, 3491, 6982, 20057, 40114, 108221, 216442, 2258677, 4517354, 70018987, 140037974]

約数ペア:

[(1, 140037974), (2, 70018987), (31, 4517354), (62, 2258677), (647, 216442), (1294, 108221), (3491, 40114), (6982, 20057)]