205121048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4488

約数の個数: 64

約数和(自身を含む): 458680320

約数和(自身を除く): 253559272

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 527, 682, 748, 1054, 1364, 1496, 2108, 2728, 4216, 4423, 5797, 8846, 11594, 17692, 23188, 35384, 46376, 48653, 75191, 97306, 137113, 150382, 194612, 274226, 300764, 389224, 548452, 601528, 827101, 1096904, 1508243, 1654202, 2330921, 3016486, 3308404, 4661842, 6032972, 6616808, 9323684, 12065944, 18647368, 25640131, 51280262, 102560524, 205121048]

約数ペア:

[(1, 205121048), (2, 102560524), (4, 51280262), (8, 25640131), (11, 18647368), (17, 12065944), (22, 9323684), (31, 6616808), (34, 6032972), (44, 4661842), (62, 3308404), (68, 3016486), (88, 2330921), (124, 1654202), (136, 1508243), (187, 1096904), (248, 827101), (341, 601528), (374, 548452), (527, 389224), (682, 300764), (748, 274226), (1054, 194612), (1364, 150382), (1496, 137113), (2108, 97306), (2728, 75191), (4216, 48653), (4423, 46376), (5797, 35384), (8846, 23188), (11594, 17692)]