251281175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2741}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 329807760

約数和(自身を除く): 78526585

約数列:

[1, 5, 19, 25, 95, 193, 475, 965, 2741, 3667, 4825, 13705, 18335, 52079, 68525, 91675, 260395, 529013, 1301975, 2645065, 10051247, 13225325, 50256235, 251281175]

約数ペア:

[(1, 251281175), (5, 50256235), (19, 13225325), (25, 10051247), (95, 2645065), (193, 1301975), (475, 529013), (965, 260395), (2741, 91675), (3667, 68525), (4825, 52079), (13705, 18335)]