2153558

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{809}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 3557520

約数和(自身を除く): 1403962

約数列:

[1, 2, 11, 22, 121, 242, 809, 1331, 1618, 2662, 8899, 17798, 97889, 195778, 1076779, 2153558]

約数ペア:

[(1, 2153558), (2, 1076779), (11, 195778), (22, 97889), (121, 17798), (242, 8899), (809, 2662), (1331, 1618)]