261749302

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 415548000

約数和(自身を除く): 153798698

約数列:

[1, 2, 29, 58, 67, 134, 193, 349, 386, 698, 1943, 3886, 5597, 10121, 11194, 12931, 20242, 23383, 25862, 46766, 67357, 134714, 374999, 678107, 749998, 1356214, 1953353, 3906706, 4512919, 9025838, 130874651, 261749302]

約数ペア:

[(1, 261749302), (2, 130874651), (29, 9025838), (58, 4512919), (67, 3906706), (134, 1953353), (193, 1356214), (349, 749998), (386, 678107), (698, 374999), (1943, 134714), (3886, 67357), (5597, 46766), (10121, 25862), (11194, 23383), (12931, 20242)]