642546

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 1456320

約数和(自身を除く): 813774

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 163, 219, 326, 438, 489, 657, 978, 1314, 1467, 1971, 2934, 3942, 4401, 8802, 11899, 23798, 35697, 71394, 107091, 214182, 321273, 642546]

約数ペア:

[(1, 642546), (2, 321273), (3, 214182), (6, 107091), (9, 71394), (18, 35697), (27, 23798), (54, 11899), (73, 8802), (146, 4401), (163, 3942), (219, 2934), (326, 1971), (438, 1467), (489, 1314), (657, 978)]