81706572

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 217329840

約数和(自身を除く): 135623268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 244, 261, 348, 366, 522, 549, 732, 1044, 1098, 1283, 1769, 2196, 2566, 3538, 3849, 5132, 5307, 7076, 7698, 10614, 11547, 15396, 15921, 21228, 23094, 31842, 37207, 46188, 63684, 74414, 78263, 111621, 148828, 156526, 223242, 234789, 313052, 334863, 446484, 469578, 669726, 704367, 939156, 1339452, 1408734, 2269627, 2817468, 4539254, 6808881, 9078508, 13617762, 20426643, 27235524, 40853286, 81706572]

約数ペア:

[(1, 81706572), (2, 40853286), (3, 27235524), (4, 20426643), (6, 13617762), (9, 9078508), (12, 6808881), (18, 4539254), (29, 2817468), (36, 2269627), (58, 1408734), (61, 1339452), (87, 939156), (116, 704367), (122, 669726), (174, 469578), (183, 446484), (244, 334863), (261, 313052), (348, 234789), (366, 223242), (522, 156526), (549, 148828), (732, 111621), (1044, 78263), (1098, 74414), (1283, 63684), (1769, 46188), (2196, 37207), (2566, 31842), (3538, 23094), (3849, 21228), (5132, 15921), (5307, 15396), (7076, 11547), (7698, 10614)]