16420199285

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{254557}}^1$

素因数の和:254685

約数の個数: 32

約数和(自身を含む): 23948816640

約数和(自身を除く): 7528617355

約数列:

[1, 5, 7, 19, 35, 95, 97, 133, 485, 665, 679, 1843, 3395, 9215, 12901, 64505, 254557, 1272785, 1781899, 4836583, 8909495, 24182915, 24692029, 33856081, 123460145, 169280405, 172844203, 469148551, 864221015, 2345742755, 3284039857, 16420199285]

約数ペア:

[(1, 16420199285), (5, 3284039857), (7, 2345742755), (19, 864221015), (35, 469148551), (95, 172844203), (97, 169280405), (133, 123460145), (485, 33856081), (665, 24692029), (679, 24182915), (1843, 8909495), (3395, 4836583), (9215, 1781899), (12901, 1272785), (64505, 254557)]