645430128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1920923}}^1$

素因数の和:1920941

約数の個数: 40

約数和(自身を含む): 1905556608

約数和(自身を除く): 1260126480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1920923, 3841846, 5762769, 7683692, 11525538, 13446461, 15367384, 23051076, 26892922, 30734768, 40339383, 46102152, 53785844, 80678766, 92204304, 107571688, 161357532, 215143376, 322715064, 645430128]

約数ペア:

[(1, 645430128), (2, 322715064), (3, 215143376), (4, 161357532), (6, 107571688), (7, 92204304), (8, 80678766), (12, 53785844), (14, 46102152), (16, 40339383), (21, 30734768), (24, 26892922), (28, 23051076), (42, 15367384), (48, 13446461), (56, 11525538), (84, 7683692), (112, 5762769), (168, 3841846), (336, 1920923)]