289914878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{26839}}^1$

素因数の和:27343

約数の個数: 16

約数和(自身を含む): 475390080

約数和(自身を除く): 185475202

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 26839, 53678, 295229, 590458, 13177949, 26355898, 144957439, 289914878]

約数ペア:

[(1, 289914878), (2, 144957439), (11, 26355898), (22, 13177949), (491, 590458), (982, 295229), (5401, 53678), (10802, 26839)]