1994512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 4277504

約数和(自身を除く): 2282992

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 223, 344, 446, 559, 688, 892, 1118, 1784, 2236, 2899, 3568, 4472, 5798, 8944, 9589, 11596, 19178, 23192, 38356, 46384, 76712, 124657, 153424, 249314, 498628, 997256, 1994512]

約数ペア:

[(1, 1994512), (2, 997256), (4, 498628), (8, 249314), (13, 153424), (16, 124657), (26, 76712), (43, 46384), (52, 38356), (86, 23192), (104, 19178), (172, 11596), (208, 9589), (223, 8944), (344, 5798), (446, 4472), (559, 3568), (688, 2899), (892, 2236), (1118, 1784)]