2019479903

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{90353}}^1$

素因数の和:90494

約数の個数: 16

約数和(自身を含む): 2405584896

約数和(自身を除く): 386104993

約数列:

[1, 7, 31, 103, 217, 721, 3193, 22351, 90353, 632471, 2800943, 9306359, 19606601, 65144513, 288497129, 2019479903]

約数ペア:

[(1, 2019479903), (7, 288497129), (31, 65144513), (103, 19606601), (217, 9306359), (721, 2800943), (3193, 632471), (22351, 90353)]