209749788

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{253321}}^1$

素因数の和:253354

約数の個数: 36

約数和(自身を含む): 553255248

約数和(自身を除く): 343505460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 253321, 506642, 759963, 1013284, 1519926, 2279889, 3039852, 4559778, 5826383, 9119556, 11652766, 17479149, 23305532, 34958298, 52437447, 69916596, 104874894, 209749788]

約数ペア:

[(1, 209749788), (2, 104874894), (3, 69916596), (4, 52437447), (6, 34958298), (9, 23305532), (12, 17479149), (18, 11652766), (23, 9119556), (36, 5826383), (46, 4559778), (69, 3039852), (92, 2279889), (138, 1519926), (207, 1013284), (276, 759963), (414, 506642), (828, 253321)]