81608982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 202535424

約数和(自身を除く): 120926442

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 137, 182, 273, 274, 411, 546, 822, 959, 1091, 1781, 1918, 2182, 2877, 3273, 3562, 5343, 5754, 6546, 7637, 10686, 12467, 14183, 15274, 22911, 24934, 28366, 37401, 42549, 45822, 74802, 85098, 99281, 149467, 198562, 297843, 298934, 448401, 595686, 896802, 1046269, 1943071, 2092538, 3138807, 3886142, 5829213, 6277614, 11658426, 13601497, 27202994, 40804491, 81608982]

約数ペア:

[(1, 81608982), (2, 40804491), (3, 27202994), (6, 13601497), (7, 11658426), (13, 6277614), (14, 5829213), (21, 3886142), (26, 3138807), (39, 2092538), (42, 1943071), (78, 1046269), (91, 896802), (137, 595686), (182, 448401), (273, 298934), (274, 297843), (411, 198562), (546, 149467), (822, 99281), (959, 85098), (1091, 74802), (1781, 45822), (1918, 42549), (2182, 37401), (2877, 28366), (3273, 24934), (3562, 22911), (5343, 15274), (5754, 14183), (6546, 12467), (7637, 10686)]