261473039

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 292951680

約数和(自身を除く): 31478641

約数列:

[1, 17, 23, 139, 283, 289, 391, 2363, 3197, 4811, 6509, 6647, 39337, 40171, 54349, 81787, 110653, 668729, 904751, 923933, 1881101, 11368393, 15380767, 261473039]

約数ペア:

[(1, 261473039), (17, 15380767), (23, 11368393), (139, 1881101), (283, 923933), (289, 904751), (391, 668729), (2363, 110653), (3197, 81787), (4811, 54349), (6509, 40171), (6647, 39337)]