81713268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24943}}^1$

素因数の和:24973

約数の個数: 72

約数和(自身を含む): 254229248

約数和(自身を除く): 172515980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24943, 49886, 74829, 99772, 149658, 174601, 224487, 299316, 324259, 349202, 448974, 523803, 648518, 698404, 897948, 972777, 1047606, 1297036, 1571409, 1945554, 2095212, 2269813, 2918331, 3142818, 3891108, 4539626, 5836662, 6285636, 6809439, 9079252, 11673324, 13618878, 20428317, 27237756, 40856634, 81713268]

約数ペア:

[(1, 81713268), (2, 40856634), (3, 27237756), (4, 20428317), (6, 13618878), (7, 11673324), (9, 9079252), (12, 6809439), (13, 6285636), (14, 5836662), (18, 4539626), (21, 3891108), (26, 3142818), (28, 2918331), (36, 2269813), (39, 2095212), (42, 1945554), (52, 1571409), (63, 1297036), (78, 1047606), (84, 972777), (91, 897948), (117, 698404), (126, 648518), (156, 523803), (182, 448974), (234, 349202), (252, 324259), (273, 299316), (364, 224487), (468, 174601), (546, 149658), (819, 99772), (1092, 74829), (1638, 49886), (3276, 24943)]