57021475

素因数分解:

$5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 81344000

約数和(自身を除く): 24322525

約数列:

[1, 5, 7, 25, 35, 163, 175, 815, 1141, 1999, 4075, 5705, 9995, 13993, 28525, 49975, 69965, 325837, 349825, 1629185, 2280859, 8145925, 11404295, 57021475]

約数ペア:

[(1, 57021475), (5, 11404295), (7, 8145925), (25, 2280859), (35, 1629185), (163, 349825), (175, 325837), (815, 69965), (1141, 49975), (1999, 28525), (4075, 13993), (5705, 9995)]