1321216

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:426

約数の個数: 36

約数和(自身を含む): 2847292

約数和(自身を除く): 1526076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 397, 416, 794, 832, 1588, 1664, 3176, 3328, 5161, 6352, 10322, 12704, 20644, 25408, 41288, 50816, 82576, 101632, 165152, 330304, 660608, 1321216]

約数ペア:

[(1, 1321216), (2, 660608), (4, 330304), (8, 165152), (13, 101632), (16, 82576), (26, 50816), (32, 41288), (52, 25408), (64, 20644), (104, 12704), (128, 10322), (208, 6352), (256, 5161), (397, 3328), (416, 3176), (794, 1664), (832, 1588)]