16520749

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 19756800

約数和(自身を除く): 3236051

約数列:

[1, 7, 29, 97, 203, 679, 839, 2813, 5873, 19691, 24331, 81383, 170317, 569681, 2360107, 16520749]

約数ペア:

[(1, 16520749), (7, 2360107), (29, 569681), (97, 170317), (203, 81383), (679, 24331), (839, 19691), (2813, 5873)]