161189584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{324979}}^1$

素因数の和:325018

約数の個数: 20

約数和(自身を含む): 322380160

約数和(自身を除く): 161190576

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 324979, 649958, 1299916, 2599832, 5199664, 10074349, 20148698, 40297396, 80594792, 161189584]

約数ペア:

[(1, 161189584), (2, 80594792), (4, 40297396), (8, 20148698), (16, 10074349), (31, 5199664), (62, 2599832), (124, 1299916), (248, 649958), (496, 324979)]