216508712

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{124717}}^1$

素因数の和:124761

約数の個数: 32

約数和(自身を含む): 478917120

約数和(自身を除く): 262408408

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 124717, 249434, 498868, 873019, 997736, 1746038, 3492076, 3866227, 6984152, 7732454, 15464908, 27063589, 30929816, 54127178, 108254356, 216508712]

約数ペア:

[(1, 216508712), (2, 108254356), (4, 54127178), (7, 30929816), (8, 27063589), (14, 15464908), (28, 7732454), (31, 6984152), (56, 3866227), (62, 3492076), (124, 1746038), (217, 997736), (248, 873019), (434, 498868), (868, 249434), (1736, 124717)]