217608958

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{78901}}^1$

素因数の和:79107

約数の個数: 16

約数和(自身を含む): 374942304

約数和(自身を除く): 157333346

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 78901, 157802, 552307, 1104614, 15543497, 31086994, 108804479, 217608958]

約数ペア:

[(1, 217608958), (2, 108804479), (7, 31086994), (14, 15543497), (197, 1104614), (394, 552307), (1379, 157802), (2758, 78901)]