1278728

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 2637390

約数和(自身を除く): 1358662

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1321, 2642, 5284, 10568, 14531, 29062, 58124, 116248, 159841, 319682, 639364, 1278728]

約数ペア:

[(1, 1278728), (2, 639364), (4, 319682), (8, 159841), (11, 116248), (22, 58124), (44, 29062), (88, 14531), (121, 10568), (242, 5284), (484, 2642), (968, 1321)]