320756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 612360

約数和(自身を除く): 291604

約数列:

[1, 2, 4, 17, 34, 53, 68, 89, 106, 178, 212, 356, 901, 1513, 1802, 3026, 3604, 4717, 6052, 9434, 18868, 80189, 160378, 320756]

約数ペア:

[(1, 320756), (2, 160378), (4, 80189), (17, 18868), (34, 9434), (53, 6052), (68, 4717), (89, 3604), (106, 3026), (178, 1802), (212, 1513), (356, 901)]