81743214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 109857426

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 131, 166, 179, 249, 262, 358, 393, 498, 537, 581, 786, 917, 1074, 1162, 1253, 1743, 1834, 2506, 2751, 3486, 3759, 5502, 7518, 10873, 14857, 21746, 23449, 29714, 32619, 44571, 46898, 65238, 70347, 76111, 89142, 103999, 140694, 152222, 164143, 207998, 228333, 311997, 328286, 456666, 492429, 623994, 984858, 1946267, 3892534, 5838801, 11677602, 13623869, 27247738, 40871607, 81743214]

約数ペア:

[(1, 81743214), (2, 40871607), (3, 27247738), (6, 13623869), (7, 11677602), (14, 5838801), (21, 3892534), (42, 1946267), (83, 984858), (131, 623994), (166, 492429), (179, 456666), (249, 328286), (262, 311997), (358, 228333), (393, 207998), (498, 164143), (537, 152222), (581, 140694), (786, 103999), (917, 89142), (1074, 76111), (1162, 70347), (1253, 65238), (1743, 46898), (1834, 44571), (2506, 32619), (2751, 29714), (3486, 23449), (3759, 21746), (5502, 14857), (7518, 10873)]