1399168

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 2955960

約数和(自身を除く): 1556792

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 643, 1088, 1286, 2176, 2572, 5144, 10288, 10931, 20576, 21862, 41152, 43724, 82304, 87448, 174896, 349792, 699584, 1399168]

約数ペア:

[(1, 1399168), (2, 699584), (4, 349792), (8, 174896), (16, 87448), (17, 82304), (32, 43724), (34, 41152), (64, 21862), (68, 20576), (128, 10931), (136, 10288), (272, 5144), (544, 2572), (643, 2176), (1088, 1286)]