1678236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19979}}^1$

素因数の和:19993

約数の個数: 24

約数和(自身を含む): 4475520

約数和(自身を除く): 2797284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 19979, 39958, 59937, 79916, 119874, 139853, 239748, 279706, 419559, 559412, 839118, 1678236]

約数ペア:

[(1, 1678236), (2, 839118), (3, 559412), (4, 419559), (6, 279706), (7, 239748), (12, 139853), (14, 119874), (21, 79916), (28, 59937), (42, 39958), (84, 19979)]