138553984

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{8263}}^1$

素因数の和:8408

約数の個数: 32

約数和(自身を含む): 278166240

約数和(自身を除く): 139612256

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 2096, 4192, 8263, 8384, 16526, 16768, 33052, 66104, 132208, 264416, 528832, 1057664, 1082453, 2164906, 4329812, 8659624, 17319248, 34638496, 69276992, 138553984]

約数ペア:

[(1, 138553984), (2, 69276992), (4, 34638496), (8, 17319248), (16, 8659624), (32, 4329812), (64, 2164906), (128, 1082453), (131, 1057664), (262, 528832), (524, 264416), (1048, 132208), (2096, 66104), (4192, 33052), (8263, 16768), (8384, 16526)]