290499274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{607}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 478033920

約数和(自身を除く): 187534646

約数列:

[1, 2, 13, 26, 79, 158, 233, 466, 607, 1027, 1214, 2054, 3029, 6058, 7891, 15782, 18407, 36814, 47953, 95906, 141431, 239291, 282862, 478582, 623389, 1246778, 1838603, 3677206, 11173049, 22346098, 145249637, 290499274]

約数ペア:

[(1, 290499274), (2, 145249637), (13, 22346098), (26, 11173049), (79, 3677206), (158, 1838603), (233, 1246778), (466, 623389), (607, 478582), (1027, 282862), (1214, 239291), (2054, 141431), (3029, 95906), (6058, 47953), (7891, 36814), (15782, 18407)]