218679925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{599}}^1\times {\mathrm{859}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 287928000

約数和(自身を除く): 69248075

約数列:

[1, 5, 17, 25, 85, 425, 599, 859, 2995, 4295, 10183, 14603, 14975, 21475, 50915, 73015, 254575, 365075, 514541, 2572705, 8747197, 12863525, 43735985, 218679925]

約数ペア:

[(1, 218679925), (5, 43735985), (17, 12863525), (25, 8747197), (85, 2572705), (425, 514541), (599, 365075), (859, 254575), (2995, 73015), (4295, 50915), (10183, 21475), (14603, 14975)]