25842438

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 57766176

約数和(自身を除く): 31923738

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 142, 146, 213, 219, 277, 426, 438, 554, 639, 657, 831, 1278, 1314, 1662, 2493, 4986, 5183, 10366, 15549, 19667, 20221, 31098, 39334, 40442, 46647, 59001, 60663, 93294, 118002, 121326, 177003, 181989, 354006, 363978, 1435691, 2871382, 4307073, 8614146, 12921219, 25842438]

約数ペア:

[(1, 25842438), (2, 12921219), (3, 8614146), (6, 4307073), (9, 2871382), (18, 1435691), (71, 363978), (73, 354006), (142, 181989), (146, 177003), (213, 121326), (219, 118002), (277, 93294), (426, 60663), (438, 59001), (554, 46647), (639, 40442), (657, 39334), (831, 31098), (1278, 20221), (1314, 19667), (1662, 15549), (2493, 10366), (4986, 5183)]