90785849

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 117331200

約数和(自身を除く): 26545351

約数列:

[1, 7, 11, 41, 77, 149, 193, 287, 451, 1043, 1351, 1639, 2123, 3157, 6109, 7913, 11473, 14861, 28757, 42763, 55391, 67199, 87043, 201299, 316327, 470393, 609301, 1179037, 2214289, 8253259, 12969407, 90785849]

約数ペア:

[(1, 90785849), (7, 12969407), (11, 8253259), (41, 2214289), (77, 1179037), (149, 609301), (193, 470393), (287, 316327), (451, 201299), (1043, 87043), (1351, 67199), (1639, 55391), (2123, 42763), (3157, 28757), (6109, 14861), (7913, 11473)]