201993271718

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{599}}^1$

素因数の和:942

約数の個数: 128

約数和(自身を含む): 370187366400

約数和(自身を除く): 168194094682

約数列:

[1, 2, 7, 14, 37, 53, 71, 74, 106, 142, 173, 259, 346, 371, 497, 518, 599, 742, 994, 1198, 1211, 1961, 2422, 2627, 3763, 3922, 4193, 5254, 6401, 7526, 8386, 9169, 12283, 12802, 13727, 18338, 18389, 22163, 24566, 26341, 27454, 31747, 36778, 42529, 44326, 44807, 52682, 63494, 64183, 85058, 85981, 89614, 103627, 128366, 139231, 155141, 171962, 207254, 222229, 278462, 297703, 310282, 339253, 444458, 454471, 595406, 650999, 678506, 725389, 908942, 974617, 1174639, 1301998, 1450778, 1573573, 1949234, 2254037, 2349278, 2374771, 3147146, 3181297, 3834199, 4508074, 4556993, 4749542, 5492231, 6362594, 7357517, 7668398, 8222473, 9113986, 10984462, 11015011, 14715034, 15778259, 16444946, 22030022, 24086963, 26839393, 31556518, 38445617, 48173926, 51502619, 53678786, 76891234, 83399369, 103005238, 166798738, 168608741, 203212547, 272228129, 337217482, 389948401, 406425094, 544456258, 583795583, 779896802, 1167591166, 1422487829, 1905596903, 2729638807, 2844975658, 3811193806, 5459277614, 14428090837, 28856181674, 100996635859, 201993271718]

約数ペア:

[(1, 201993271718), (2, 100996635859), (7, 28856181674), (14, 14428090837), (37, 5459277614), (53, 3811193806), (71, 2844975658), (74, 2729638807), (106, 1905596903), (142, 1422487829), (173, 1167591166), (259, 779896802), (346, 583795583), (371, 544456258), (497, 406425094), (518, 389948401), (599, 337217482), (742, 272228129), (994, 203212547), (1198, 168608741), (1211, 166798738), (1961, 103005238), (2422, 83399369), (2627, 76891234), (3763, 53678786), (3922, 51502619), (4193, 48173926), (5254, 38445617), (6401, 31556518), (7526, 26839393), (8386, 24086963), (9169, 22030022), (12283, 16444946), (12802, 15778259), (13727, 14715034), (18338, 11015011), (18389, 10984462), (22163, 9113986), (24566, 8222473), (26341, 7668398), (27454, 7357517), (31747, 6362594), (36778, 5492231), (42529, 4749542), (44326, 4556993), (44807, 4508074), (52682, 3834199), (63494, 3181297), (64183, 3147146), (85058, 2374771), (85981, 2349278), (89614, 2254037), (103627, 1949234), (128366, 1573573), (139231, 1450778), (155141, 1301998), (171962, 1174639), (207254, 974617), (222229, 908942), (278462, 725389), (297703, 678506), (310282, 650999), (339253, 595406), (444458, 454471)]