81142384

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{13381}}^1$

素因数の和:13768

約数の個数: 20

約数和(自身を含む): 157639960

約数和(自身を除く): 76497576

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 13381, 26762, 53524, 107048, 214096, 5071399, 10142798, 20285596, 40571192, 81142384]

約数ペア:

[(1, 81142384), (2, 40571192), (4, 20285596), (8, 10142798), (16, 5071399), (379, 214096), (758, 107048), (1516, 53524), (3032, 26762), (6064, 13381)]