274881607

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 395136000

約数和(自身を除く): 120254393

約数列:

[1, 7, 11, 13, 19, 77, 91, 97, 133, 143, 149, 209, 247, 679, 1001, 1043, 1067, 1261, 1463, 1639, 1729, 1843, 1937, 2717, 2831, 7469, 8827, 11473, 12901, 13559, 13871, 14453, 19019, 19817, 20273, 21307, 23959, 31141, 36803, 97097, 101171, 141911, 149149, 158983, 167713, 187889, 217987, 257621, 263549, 274607, 404833, 1112881, 1315223, 1844843, 1922249, 2066779, 2833831, 3020677, 3569891, 14467453, 21144739, 24989237, 39268801, 274881607]

約数ペア:

[(1, 274881607), (7, 39268801), (11, 24989237), (13, 21144739), (19, 14467453), (77, 3569891), (91, 3020677), (97, 2833831), (133, 2066779), (143, 1922249), (149, 1844843), (209, 1315223), (247, 1112881), (679, 404833), (1001, 274607), (1043, 263549), (1067, 257621), (1261, 217987), (1463, 187889), (1639, 167713), (1729, 158983), (1843, 149149), (1937, 141911), (2717, 101171), (2831, 97097), (7469, 36803), (8827, 31141), (11473, 23959), (12901, 21307), (13559, 20273), (13871, 19817), (14453, 19019)]