987211638

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6263}}^1$

素因数の和:6423

約数の個数: 80

約数和(自身を含む): 2546691840

約数和(自身を除く): 1559480202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 139, 162, 189, 278, 378, 417, 567, 834, 973, 1134, 1251, 1946, 2502, 2919, 3753, 5838, 6263, 7506, 8757, 11259, 12526, 17514, 18789, 22518, 26271, 37578, 43841, 52542, 56367, 78813, 87682, 112734, 131523, 157626, 169101, 263046, 338202, 394569, 507303, 789138, 870557, 1014606, 1183707, 1741114, 2367414, 2611671, 3551121, 5223342, 6093899, 7102242, 7835013, 12187798, 15670026, 18281697, 23505039, 36563394, 47010078, 54845091, 70515117, 109690182, 141030234, 164535273, 329070546, 493605819, 987211638]

約数ペア:

[(1, 987211638), (2, 493605819), (3, 329070546), (6, 164535273), (7, 141030234), (9, 109690182), (14, 70515117), (18, 54845091), (21, 47010078), (27, 36563394), (42, 23505039), (54, 18281697), (63, 15670026), (81, 12187798), (126, 7835013), (139, 7102242), (162, 6093899), (189, 5223342), (278, 3551121), (378, 2611671), (417, 2367414), (567, 1741114), (834, 1183707), (973, 1014606), (1134, 870557), (1251, 789138), (1946, 507303), (2502, 394569), (2919, 338202), (3753, 263046), (5838, 169101), (6263, 157626), (7506, 131523), (8757, 112734), (11259, 87682), (12526, 78813), (17514, 56367), (18789, 52542), (22518, 43841), (26271, 37578)]