172179856

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{77419}}^1$

素因数の和:77566

約数の個数: 20

約数和(自身を含む): 336002800

約数和(自身を除く): 163822944

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 77419, 154838, 309676, 619352, 1238704, 10761241, 21522482, 43044964, 86089928, 172179856]

約数ペア:

[(1, 172179856), (2, 86089928), (4, 43044964), (8, 21522482), (16, 10761241), (139, 1238704), (278, 619352), (556, 309676), (1112, 154838), (2224, 77419)]