280912

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 20

約数和(自身を含む): 552916

約数和(自身を除く): 272004

約数列:

[1, 2, 4, 8, 16, 97, 181, 194, 362, 388, 724, 776, 1448, 1552, 2896, 17557, 35114, 70228, 140456, 280912]

約数ペア:

[(1, 280912), (2, 140456), (4, 70228), (8, 35114), (16, 17557), (97, 2896), (181, 1552), (194, 1448), (362, 776), (388, 724)]