66915536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 144611280

約数和(自身を除く): 77695744

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 61, 68, 74, 109, 122, 136, 148, 218, 244, 272, 296, 436, 488, 592, 629, 872, 976, 1037, 1258, 1744, 1853, 2074, 2257, 2516, 3706, 4033, 4148, 4514, 5032, 6649, 7412, 8066, 8296, 9028, 10064, 13298, 14824, 16132, 16592, 18056, 26596, 29648, 32264, 36112, 38369, 53192, 64528, 68561, 76738, 106384, 113033, 137122, 153476, 226066, 246013, 274244, 306952, 452132, 492026, 548488, 613904, 904264, 984052, 1096976, 1808528, 1968104, 3936208, 4182221, 8364442, 16728884, 33457768, 66915536]

約数ペア:

[(1, 66915536), (2, 33457768), (4, 16728884), (8, 8364442), (16, 4182221), (17, 3936208), (34, 1968104), (37, 1808528), (61, 1096976), (68, 984052), (74, 904264), (109, 613904), (122, 548488), (136, 492026), (148, 452132), (218, 306952), (244, 274244), (272, 246013), (296, 226066), (436, 153476), (488, 137122), (592, 113033), (629, 106384), (872, 76738), (976, 68561), (1037, 64528), (1258, 53192), (1744, 38369), (1853, 36112), (2074, 32264), (2257, 29648), (2516, 26596), (3706, 18056), (4033, 16592), (4148, 16132), (4514, 14824), (5032, 13298), (6649, 10064), (7412, 9028), (8066, 8296)]