81005628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1263

約数の個数: 72

約数和(自身を含む): 212357376

約数和(自身を除く): 131351748

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 121, 132, 141, 188, 242, 282, 363, 484, 517, 564, 726, 1034, 1187, 1452, 1551, 2068, 2374, 3102, 3561, 4748, 5687, 6204, 7122, 11374, 13057, 14244, 17061, 22748, 26114, 34122, 39171, 52228, 55789, 68244, 78342, 111578, 143627, 156684, 167367, 223156, 287254, 334734, 430881, 574508, 613679, 669468, 861762, 1227358, 1723524, 1841037, 2454716, 3682074, 6750469, 7364148, 13500938, 20251407, 27001876, 40502814, 81005628]

約数ペア:

[(1, 81005628), (2, 40502814), (3, 27001876), (4, 20251407), (6, 13500938), (11, 7364148), (12, 6750469), (22, 3682074), (33, 2454716), (44, 1841037), (47, 1723524), (66, 1227358), (94, 861762), (121, 669468), (132, 613679), (141, 574508), (188, 430881), (242, 334734), (282, 287254), (363, 223156), (484, 167367), (517, 156684), (564, 143627), (726, 111578), (1034, 78342), (1187, 68244), (1452, 55789), (1551, 52228), (2068, 39171), (2374, 34122), (3102, 26114), (3561, 22748), (4748, 17061), (5687, 14244), (6204, 13057), (7122, 11374)]