12857515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 16950240

約数和(自身を除く): 4092725

約数列:

[1, 5, 11, 55, 157, 785, 1489, 1727, 7445, 8635, 16379, 81895, 233773, 1168865, 2571503, 12857515]

約数ペア:

[(1, 12857515), (5, 2571503), (11, 1168865), (55, 233773), (157, 81895), (785, 16379), (1489, 8635), (1727, 7445)]