28405286

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 53014080

約数和(自身を除く): 24608794

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1261, 1358, 1609, 2522, 3218, 8827, 11263, 17654, 20917, 22526, 41834, 146419, 156073, 292838, 312146, 1092511, 2028949, 2185022, 4057898, 14202643, 28405286]

約数ペア:

[(1, 28405286), (2, 14202643), (7, 4057898), (13, 2185022), (14, 2028949), (26, 1092511), (91, 312146), (97, 292838), (182, 156073), (194, 146419), (679, 41834), (1261, 22526), (1358, 20917), (1609, 17654), (2522, 11263), (3218, 8827)]