1421936

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:680

約数の個数: 20

約数和(自身を含む): 2775864

約数和(自身を除く): 1353928

約数列:

[1, 2, 4, 8, 16, 181, 362, 491, 724, 982, 1448, 1964, 2896, 3928, 7856, 88871, 177742, 355484, 710968, 1421936]

約数ペア:

[(1, 1421936), (2, 710968), (4, 355484), (8, 177742), (16, 88871), (181, 7856), (362, 3928), (491, 2896), (724, 1964), (982, 1448)]