216598963

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 256956000

約数和(自身を除く): 40357037

約数列:

[1, 7, 49, 97, 199, 229, 679, 1393, 1603, 4753, 9751, 11221, 19303, 22213, 45571, 135121, 155491, 318997, 945847, 1088437, 2232979, 4420387, 30942709, 216598963]

約数ペア:

[(1, 216598963), (7, 30942709), (49, 4420387), (97, 2232979), (199, 1088437), (229, 945847), (679, 318997), (1393, 155491), (1603, 135121), (4753, 45571), (9751, 22213), (11221, 19303)]