265804552

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 557591850

約数和(自身を除く): 291787298

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 89, 94, 104, 169, 178, 188, 338, 356, 376, 611, 676, 712, 1157, 1222, 1352, 2209, 2314, 2444, 4183, 4418, 4628, 4888, 7943, 8366, 8836, 9256, 15041, 15886, 16732, 17672, 28717, 30082, 31772, 33464, 54379, 57434, 60164, 63544, 108758, 114868, 120328, 196601, 217516, 229736, 373321, 393202, 435032, 706927, 746642, 786404, 1413854, 1493284, 1572808, 2555813, 2827708, 2986568, 5111626, 5655416, 10223252, 20446504, 33225569, 66451138, 132902276, 265804552]

約数ペア:

[(1, 265804552), (2, 132902276), (4, 66451138), (8, 33225569), (13, 20446504), (26, 10223252), (47, 5655416), (52, 5111626), (89, 2986568), (94, 2827708), (104, 2555813), (169, 1572808), (178, 1493284), (188, 1413854), (338, 786404), (356, 746642), (376, 706927), (611, 435032), (676, 393202), (712, 373321), (1157, 229736), (1222, 217516), (1352, 196601), (2209, 120328), (2314, 114868), (2444, 108758), (4183, 63544), (4418, 60164), (4628, 57434), (4888, 54379), (7943, 33464), (8366, 31772), (8836, 30082), (9256, 28717), (15041, 17672), (15886, 16732)]