997256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 2069760

約数和(自身を除く): 1072504

約数列:

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

約数ペア:

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