81333584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163979}}^1$

素因数の和:164018

約数の個数: 20

約数和(自身を含む): 162668160

約数和(自身を除く): 81334576

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163979, 327958, 655916, 1311832, 2623664, 5083349, 10166698, 20333396, 40666792, 81333584]

約数ペア:

[(1, 81333584), (2, 40666792), (4, 20333396), (8, 10166698), (16, 5083349), (31, 2623664), (62, 1311832), (124, 655916), (248, 327958), (496, 163979)]