216937478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139241}}^1$

素因数の和:139303

約数の個数: 16

約数和(自身を含む): 350889840

約数和(自身を除く): 133952362

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 139241, 278482, 2645579, 5291158, 5708881, 11417762, 108468739, 216937478]

約数ペア:

[(1, 216937478), (2, 108468739), (19, 11417762), (38, 5708881), (41, 5291158), (82, 2645579), (779, 278482), (1558, 139241)]