280804574

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 438856704

約数和(自身を除く): 158052130

約数列:

[1, 2, 71, 73, 103, 142, 146, 206, 263, 526, 5183, 7313, 7519, 10366, 14626, 15038, 18673, 19199, 27089, 37346, 38398, 54178, 533849, 1067698, 1363129, 1923319, 1977497, 2726258, 3846638, 3954994, 140402287, 280804574]

約数ペア:

[(1, 280804574), (2, 140402287), (71, 3954994), (73, 3846638), (103, 2726258), (142, 1977497), (146, 1923319), (206, 1363129), (263, 1067698), (526, 533849), (5183, 54178), (7313, 38398), (7519, 37346), (10366, 27089), (14626, 19199), (15038, 18673)]