81274832

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{16229}}^1$

素因数の和:16550

約数の個数: 20

約数和(自身を含む): 157982820

約数和(自身を除く): 76707988

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 16229, 32458, 64916, 129832, 259664, 5079677, 10159354, 20318708, 40637416, 81274832]

約数ペア:

[(1, 81274832), (2, 40637416), (4, 20318708), (8, 10159354), (16, 5079677), (313, 259664), (626, 129832), (1252, 64916), (2504, 32458), (5008, 16229)]