247856128

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 88

約数和(自身を含む): 547253168

約数和(自身を除く): 299397040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 433, 512, 559, 688, 832, 866, 1024, 1118, 1376, 1664, 1732, 2236, 2752, 3328, 3464, 4472, 5504, 5629, 6656, 6928, 8944, 11008, 11258, 13312, 13856, 17888, 18619, 22016, 22516, 27712, 35776, 37238, 44032, 45032, 55424, 71552, 74476, 90064, 110848, 143104, 148952, 180128, 221696, 242047, 286208, 297904, 360256, 443392, 484094, 572416, 595808, 720512, 968188, 1191616, 1441024, 1936376, 2383232, 2882048, 3872752, 4766464, 5764096, 7745504, 9532928, 15491008, 19065856, 30982016, 61964032, 123928064, 247856128]

約数ペア:

[(1, 247856128), (2, 123928064), (4, 61964032), (8, 30982016), (13, 19065856), (16, 15491008), (26, 9532928), (32, 7745504), (43, 5764096), (52, 4766464), (64, 3872752), (86, 2882048), (104, 2383232), (128, 1936376), (172, 1441024), (208, 1191616), (256, 968188), (344, 720512), (416, 595808), (433, 572416), (512, 484094), (559, 443392), (688, 360256), (832, 297904), (866, 286208), (1024, 242047), (1118, 221696), (1376, 180128), (1664, 148952), (1732, 143104), (2236, 110848), (2752, 90064), (3328, 74476), (3464, 71552), (4472, 55424), (5504, 45032), (5629, 44032), (6656, 37238), (6928, 35776), (8944, 27712), (11008, 22516), (11258, 22016), (13312, 18619), (13856, 17888)]