179994992

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{80933}}^1$

素因数の和:81080

約数の個数: 20

約数和(自身を含む): 351253560

約数和(自身を除く): 171258568

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 80933, 161866, 323732, 647464, 1294928, 11249687, 22499374, 44998748, 89997496, 179994992]

約数ペア:

[(1, 179994992), (2, 89997496), (4, 44998748), (8, 22499374), (16, 11249687), (139, 1294928), (278, 647464), (556, 323732), (1112, 161866), (2224, 80933)]