390034

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 624960

約数和(自身を除く): 234926

約数列:

[1, 2, 23, 46, 61, 122, 139, 278, 1403, 2806, 3197, 6394, 8479, 16958, 195017, 390034]

約数ペア:

[(1, 390034), (2, 195017), (23, 16958), (46, 8479), (61, 6394), (122, 3197), (139, 2806), (278, 1403)]