215351604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1093}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 588165032

約数和(自身を除く): 372813428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 421, 468, 842, 1093, 1263, 1684, 2186, 2526, 3279, 3789, 4372, 5052, 5473, 6558, 7578, 9837, 10946, 13116, 14209, 15156, 16419, 19674, 21892, 28418, 32838, 39348, 42627, 49257, 56836, 65676, 85254, 98514, 127881, 170508, 197028, 255762, 460153, 511524, 920306, 1380459, 1840612, 2760918, 4141377, 5521836, 5981989, 8282754, 11963978, 16565508, 17945967, 23927956, 35891934, 53837901, 71783868, 107675802, 215351604]

約数ペア:

[(1, 215351604), (2, 107675802), (3, 71783868), (4, 53837901), (6, 35891934), (9, 23927956), (12, 17945967), (13, 16565508), (18, 11963978), (26, 8282754), (36, 5981989), (39, 5521836), (52, 4141377), (78, 2760918), (117, 1840612), (156, 1380459), (234, 920306), (421, 511524), (468, 460153), (842, 255762), (1093, 197028), (1263, 170508), (1684, 127881), (2186, 98514), (2526, 85254), (3279, 65676), (3789, 56836), (4372, 49257), (5052, 42627), (5473, 39348), (6558, 32838), (7578, 28418), (9837, 21892), (10946, 19674), (13116, 16419), (14209, 15156)]