13206805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 17677440

約数和(自身を除く): 4470635

約数列:

[1, 5, 19, 43, 53, 61, 95, 215, 265, 305, 817, 1007, 1159, 2279, 2623, 3233, 4085, 5035, 5795, 11395, 13115, 16165, 43301, 49837, 61427, 139019, 216505, 249185, 307135, 695095, 2641361, 13206805]

約数ペア:

[(1, 13206805), (5, 2641361), (19, 695095), (43, 307135), (53, 249185), (61, 216505), (95, 139019), (215, 61427), (265, 49837), (305, 43301), (817, 16165), (1007, 13115), (1159, 11395), (2279, 5795), (2623, 5035), (3233, 4085)]