81858504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1079

約数の個数: 128

約数和(自身を含む): 258935040

約数和(自身を除く): 177076536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 259, 273, 296, 312, 364, 444, 481, 518, 546, 728, 777, 888, 962, 1013, 1036, 1092, 1443, 1554, 1924, 2026, 2072, 2184, 2886, 3039, 3108, 3367, 3848, 4052, 5772, 6078, 6216, 6734, 7091, 8104, 10101, 11544, 12156, 13169, 13468, 14182, 20202, 21273, 24312, 26338, 26936, 28364, 37481, 39507, 40404, 42546, 52676, 56728, 74962, 79014, 80808, 85092, 92183, 105352, 112443, 149924, 158028, 170184, 184366, 224886, 262367, 276549, 299848, 316056, 368732, 449772, 487253, 524734, 553098, 737464, 787101, 899544, 974506, 1049468, 1106196, 1461759, 1574202, 1949012, 2098936, 2212392, 2923518, 3148404, 3410771, 3898024, 5847036, 6296808, 6821542, 10232313, 11694072, 13643084, 20464626, 27286168, 40929252, 81858504]

約数ペア:

[(1, 81858504), (2, 40929252), (3, 27286168), (4, 20464626), (6, 13643084), (7, 11694072), (8, 10232313), (12, 6821542), (13, 6296808), (14, 5847036), (21, 3898024), (24, 3410771), (26, 3148404), (28, 2923518), (37, 2212392), (39, 2098936), (42, 1949012), (52, 1574202), (56, 1461759), (74, 1106196), (78, 1049468), (84, 974506), (91, 899544), (104, 787101), (111, 737464), (148, 553098), (156, 524734), (168, 487253), (182, 449772), (222, 368732), (259, 316056), (273, 299848), (296, 276549), (312, 262367), (364, 224886), (444, 184366), (481, 170184), (518, 158028), (546, 149924), (728, 112443), (777, 105352), (888, 92183), (962, 85092), (1013, 80808), (1036, 79014), (1092, 74962), (1443, 56728), (1554, 52676), (1924, 42546), (2026, 40404), (2072, 39507), (2184, 37481), (2886, 28364), (3039, 26936), (3108, 26338), (3367, 24312), (3848, 21273), (4052, 20202), (5772, 14182), (6078, 13468), (6216, 13169), (6734, 12156), (7091, 11544), (8104, 10101)]