389971295

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14303}}^1$

素因数の和:14375

約数の個数: 32

約数和(自身を含む): 576737280

約数和(自身を除く): 186765985

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1435, 3895, 5453, 14303, 27265, 71515, 100121, 271757, 500605, 586423, 1358785, 1902299, 2932115, 4104961, 9511495, 11142037, 20524805, 55710185, 77994259, 389971295]

約数ペア:

[(1, 389971295), (5, 77994259), (7, 55710185), (19, 20524805), (35, 11142037), (41, 9511495), (95, 4104961), (133, 2932115), (205, 1902299), (287, 1358785), (665, 586423), (779, 500605), (1435, 271757), (3895, 100121), (5453, 71515), (14303, 27265)]