242642785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 388675584

約数和(自身を除く): 146032799

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 131, 187, 283, 385, 595, 655, 917, 935, 1309, 1415, 1441, 1981, 2227, 3113, 4585, 4811, 6545, 7205, 9905, 10087, 11135, 15565, 15589, 21791, 24055, 24497, 33677, 37073, 50435, 52921, 77945, 108955, 122485, 168385, 171479, 185365, 259511, 264605, 370447, 407803, 630241, 857395, 1297555, 1852235, 2039015, 2854621, 3151205, 4411687, 6932651, 14273105, 22058435, 34663255, 48528557, 242642785]

約数ペア:

[(1, 242642785), (5, 48528557), (7, 34663255), (11, 22058435), (17, 14273105), (35, 6932651), (55, 4411687), (77, 3151205), (85, 2854621), (119, 2039015), (131, 1852235), (187, 1297555), (283, 857395), (385, 630241), (595, 407803), (655, 370447), (917, 264605), (935, 259511), (1309, 185365), (1415, 171479), (1441, 168385), (1981, 122485), (2227, 108955), (3113, 77945), (4585, 52921), (4811, 50435), (6545, 37073), (7205, 33677), (9905, 24497), (10087, 24055), (11135, 21791), (15565, 15589)]