17779490

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12791}}^1$

素因数の和:12937

約数の個数: 16

約数和(自身を含む): 32235840

約数和(自身を除く): 14456350

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 12791, 25582, 63955, 127910, 1777949, 3555898, 8889745, 17779490]

約数ペア:

[(1, 17779490), (2, 8889745), (5, 3555898), (10, 1777949), (139, 127910), (278, 63955), (695, 25582), (1390, 12791)]