39878878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21011}}^1$

素因数の和:21099

約数の個数: 16

約数和(自身を含む): 65305296

約数和(自身を除く): 25426418

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 21011, 42022, 273143, 546286, 1533803, 3067606, 19939439, 39878878]

約数ペア:

[(1, 39878878), (2, 19939439), (13, 3067606), (26, 1533803), (73, 546286), (146, 273143), (949, 42022), (1898, 21011)]