180212944

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{81031}}^1$

素因数の和:81178

約数の個数: 20

約数和(自身を含む): 351678880

約数和(自身を除く): 171465936

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 81031, 162062, 324124, 648248, 1296496, 11263309, 22526618, 45053236, 90106472, 180212944]

約数ペア:

[(1, 180212944), (2, 90106472), (4, 45053236), (8, 22526618), (16, 11263309), (139, 1296496), (278, 648248), (556, 324124), (1112, 162062), (2224, 81031)]