398244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 1161216

約数和(自身を除く): 762972

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 431, 462, 862, 924, 1293, 1724, 2586, 3017, 4741, 5172, 6034, 9051, 9482, 12068, 14223, 18102, 18964, 28446, 33187, 36204, 56892, 66374, 99561, 132748, 199122, 398244]

約数ペア:

[(1, 398244), (2, 199122), (3, 132748), (4, 99561), (6, 66374), (7, 56892), (11, 36204), (12, 33187), (14, 28446), (21, 18964), (22, 18102), (28, 14223), (33, 12068), (42, 9482), (44, 9051), (66, 6034), (77, 5172), (84, 4741), (132, 3017), (154, 2586), (231, 1724), (308, 1293), (431, 924), (462, 862)]