189704984

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{21577}}^1$

素因数の和:21747

約数の個数: 32

約数和(自身を含む): 409118880

約数和(自身を除く): 219413896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 21577, 43154, 86308, 151039, 172616, 302078, 604156, 1208312, 3387589, 6775178, 13550356, 23713123, 27100712, 47426246, 94852492, 189704984]

約数ペア:

[(1, 189704984), (2, 94852492), (4, 47426246), (7, 27100712), (8, 23713123), (14, 13550356), (28, 6775178), (56, 3387589), (157, 1208312), (314, 604156), (628, 302078), (1099, 172616), (1256, 151039), (2198, 86308), (4396, 43154), (8792, 21577)]