28703731

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 5261837

約数列:

[1, 7, 41, 103, 287, 721, 971, 4223, 6797, 29561, 39811, 100013, 278677, 700091, 4100533, 28703731]

約数ペア:

[(1, 28703731), (7, 4100533), (41, 700091), (103, 278677), (287, 100013), (721, 39811), (971, 29561), (4223, 6797)]