128216275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 186416640

約数和(自身を除く): 58200365

約数列:

[1, 5, 11, 19, 25, 53, 55, 95, 209, 265, 275, 463, 475, 583, 1007, 1045, 1325, 2315, 2915, 5035, 5093, 5225, 8797, 11077, 11575, 14575, 24539, 25175, 25465, 43985, 55385, 96767, 122695, 127325, 219925, 269929, 276925, 466241, 483835, 613475, 1349645, 2331205, 2419175, 5128651, 6748225, 11656025, 25643255, 128216275]

約数ペア:

[(1, 128216275), (5, 25643255), (11, 11656025), (19, 6748225), (25, 5128651), (53, 2419175), (55, 2331205), (95, 1349645), (209, 613475), (265, 483835), (275, 466241), (463, 276925), (475, 269929), (583, 219925), (1007, 127325), (1045, 122695), (1325, 96767), (2315, 55385), (2915, 43985), (5035, 25465), (5093, 25175), (5225, 24539), (8797, 14575), (11077, 11575)]