257584805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{38189}}^1$

素因数の和:38284

約数の個数: 16

約数和(自身を含む): 329961600

約数和(自身を除く): 72376795

約数列:

[1, 5, 19, 71, 95, 355, 1349, 6745, 38189, 190945, 725591, 2711419, 3627955, 13557095, 51516961, 257584805]

約数ペア:

[(1, 257584805), (5, 51516961), (19, 13557095), (71, 3627955), (95, 2711419), (355, 725591), (1349, 190945), (6745, 38189)]