1989694

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 24

約数和(自身を含む): 3529440

約数和(自身を除く): 1539746

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 257, 514, 553, 1106, 1799, 3598, 3871, 7742, 12593, 20303, 25186, 40606, 142121, 284242, 994847, 1989694]

約数ペア:

[(1, 1989694), (2, 994847), (7, 284242), (14, 142121), (49, 40606), (79, 25186), (98, 20303), (158, 12593), (257, 7742), (514, 3871), (553, 3598), (1106, 1799)]