28915894

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 21887306

約数列:

[1, 2, 7, 14, 97, 107, 194, 199, 214, 398, 679, 749, 1358, 1393, 1498, 2786, 10379, 19303, 20758, 21293, 38606, 42586, 72653, 135121, 145306, 149051, 270242, 298102, 2065421, 4130842, 14457947, 28915894]

約数ペア:

[(1, 28915894), (2, 14457947), (7, 4130842), (14, 2065421), (97, 298102), (107, 270242), (194, 149051), (199, 145306), (214, 135121), (398, 72653), (679, 42586), (749, 38606), (1358, 21293), (1393, 20758), (1498, 19303), (2786, 10379)]