28507258

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 51122880

約数和(自身を除く): 22615622

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 169, 193, 247, 299, 338, 386, 437, 494, 598, 874, 2509, 3211, 3667, 3887, 4439, 5018, 5681, 6422, 7334, 7774, 8878, 11362, 32617, 47671, 57707, 65234, 73853, 84341, 95342, 115414, 147706, 168682, 619723, 750191, 1096433, 1239446, 1500382, 2192866, 14253629, 28507258]

約数ペア:

[(1, 28507258), (2, 14253629), (13, 2192866), (19, 1500382), (23, 1239446), (26, 1096433), (38, 750191), (46, 619723), (169, 168682), (193, 147706), (247, 115414), (299, 95342), (338, 84341), (386, 73853), (437, 65234), (494, 57707), (598, 47671), (874, 32617), (2509, 11362), (3211, 8878), (3667, 7774), (3887, 7334), (4439, 6422), (5018, 5681)]