257380488

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{155423}}^1$

素因数の和:155458

約数の個数: 48

約数和(自身を含む): 727384320

約数和(自身を除く): 470003832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 155423, 310846, 466269, 621692, 932538, 1243384, 1398807, 1865076, 2797614, 3574729, 3730152, 5595228, 7149458, 10724187, 11190456, 14298916, 21448374, 28597832, 32172561, 42896748, 64345122, 85793496, 128690244, 257380488]

約数ペア:

[(1, 257380488), (2, 128690244), (3, 85793496), (4, 64345122), (6, 42896748), (8, 32172561), (9, 28597832), (12, 21448374), (18, 14298916), (23, 11190456), (24, 10724187), (36, 7149458), (46, 5595228), (69, 3730152), (72, 3574729), (92, 2797614), (138, 1865076), (184, 1398807), (207, 1243384), (276, 932538), (414, 621692), (552, 466269), (828, 310846), (1656, 155423)]