2821975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 3975440

約数和(自身を除く): 1153465

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 457, 475, 1235, 2285, 5941, 6175, 8683, 11425, 29705, 43415, 112879, 148525, 217075, 564395, 2821975]

約数ペア:

[(1, 2821975), (5, 564395), (13, 217075), (19, 148525), (25, 112879), (65, 43415), (95, 29705), (247, 11425), (325, 8683), (457, 6175), (475, 5941), (1235, 2285)]