254862725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 363851712

約数和(自身を除く): 108988987

約数列:

[1, 5, 13, 17, 25, 65, 85, 163, 221, 283, 325, 425, 815, 1105, 1415, 2119, 2771, 3679, 4075, 4811, 5525, 7075, 10595, 13855, 18395, 24055, 36023, 46129, 52975, 62543, 69275, 91975, 120275, 180115, 230645, 312715, 599677, 784193, 900575, 1153225, 1563575, 2998385, 3920965, 10194509, 14991925, 19604825, 50972545, 254862725]

約数ペア:

[(1, 254862725), (5, 50972545), (13, 19604825), (17, 14991925), (25, 10194509), (65, 3920965), (85, 2998385), (163, 1563575), (221, 1153225), (283, 900575), (325, 784193), (425, 599677), (815, 312715), (1105, 230645), (1415, 180115), (2119, 120275), (2771, 91975), (3679, 69275), (4075, 62543), (4811, 52975), (5525, 46129), (7075, 36023), (10595, 24055), (13855, 18395)]