38996817629

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 51707029248

約数和(自身を除く): 12710211619

約数列:

[1, 7, 11, 31, 49, 77, 121, 217, 331, 341, 539, 641, 847, 1519, 2317, 2387, 3641, 3751, 4487, 5929, 7051, 10261, 16219, 16709, 19871, 25487, 26257, 31409, 40051, 49357, 71827, 77561, 112871, 139097, 178409, 183799, 212171, 218581, 280357, 345499, 502789, 542927, 790097, 973679, 1241581, 1485197, 1530067, 1962499, 2333881, 2404391, 3800489, 5530679, 6577301, 8691067, 10396379, 10710469, 16337167, 16830737, 25672691, 46041107, 60837469, 72350311, 114360169, 117815159, 179708837, 322287749, 506452177, 795853421, 1257961859, 3545165239, 5570973947, 38996817629]

約数ペア:

[(1, 38996817629), (7, 5570973947), (11, 3545165239), (31, 1257961859), (49, 795853421), (77, 506452177), (121, 322287749), (217, 179708837), (331, 117815159), (341, 114360169), (539, 72350311), (641, 60837469), (847, 46041107), (1519, 25672691), (2317, 16830737), (2387, 16337167), (3641, 10710469), (3751, 10396379), (4487, 8691067), (5929, 6577301), (7051, 5530679), (10261, 3800489), (16219, 2404391), (16709, 2333881), (19871, 1962499), (25487, 1530067), (26257, 1485197), (31409, 1241581), (40051, 973679), (49357, 790097), (71827, 542927), (77561, 502789), (112871, 345499), (139097, 280357), (178409, 218581), (183799, 212171)]