28380842

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20899}}^1$

素因数の和:21005

約数の個数: 16

約数和(自身を含む): 49156800

約数和(自身を除く): 20775958

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 20899, 41798, 146293, 292586, 2027203, 4054406, 14190421, 28380842]

約数ペア:

[(1, 28380842), (2, 14190421), (7, 4054406), (14, 2027203), (97, 292586), (194, 146293), (679, 41798), (1358, 20899)]