15663856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{75307}}^1$

素因数の和:75328

約数の個数: 20

約数和(自身を含む): 32683672

約数和(自身を除く): 17019816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 75307, 150614, 301228, 602456, 978991, 1204912, 1957982, 3915964, 7831928, 15663856]

約数ペア:

[(1, 15663856), (2, 7831928), (4, 3915964), (8, 1957982), (13, 1204912), (16, 978991), (26, 602456), (52, 301228), (104, 150614), (208, 75307)]