391978496

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 160

約数和(自身を含む): 989936640

約数和(自身を除く): 597958144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 64, 91, 94, 104, 112, 128, 179, 182, 188, 208, 224, 256, 329, 358, 364, 376, 416, 448, 512, 611, 658, 716, 728, 752, 832, 896, 1222, 1253, 1316, 1432, 1456, 1504, 1664, 1792, 2327, 2444, 2506, 2632, 2864, 2912, 3008, 3328, 3584, 4277, 4654, 4888, 5012, 5264, 5728, 5824, 6016, 6656, 8413, 8554, 9308, 9776, 10024, 10528, 11456, 11648, 12032, 16289, 16826, 17108, 18616, 19552, 20048, 21056, 22912, 23296, 24064, 32578, 33652, 34216, 37232, 39104, 40096, 42112, 45824, 46592, 58891, 65156, 67304, 68432, 74464, 78208, 80192, 84224, 91648, 109369, 117782, 130312, 134608, 136864, 148928, 156416, 160384, 168448, 218738, 235564, 260624, 269216, 273728, 297856, 312832, 320768, 437476, 471128, 521248, 538432, 547456, 595712, 641536, 765583, 874952, 942256, 1042496, 1076864, 1094912, 1191424, 1531166, 1749904, 1884512, 2084992, 2153728, 2189824, 3062332, 3499808, 3769024, 4169984, 4307456, 6124664, 6999616, 7538048, 8339968, 12249328, 13999232, 15076096, 24498656, 27998464, 30152192, 48997312, 55996928, 97994624, 195989248, 391978496]

約数ペア:

[(1, 391978496), (2, 195989248), (4, 97994624), (7, 55996928), (8, 48997312), (13, 30152192), (14, 27998464), (16, 24498656), (26, 15076096), (28, 13999232), (32, 12249328), (47, 8339968), (52, 7538048), (56, 6999616), (64, 6124664), (91, 4307456), (94, 4169984), (104, 3769024), (112, 3499808), (128, 3062332), (179, 2189824), (182, 2153728), (188, 2084992), (208, 1884512), (224, 1749904), (256, 1531166), (329, 1191424), (358, 1094912), (364, 1076864), (376, 1042496), (416, 942256), (448, 874952), (512, 765583), (611, 641536), (658, 595712), (716, 547456), (728, 538432), (752, 521248), (832, 471128), (896, 437476), (1222, 320768), (1253, 312832), (1316, 297856), (1432, 273728), (1456, 269216), (1504, 260624), (1664, 235564), (1792, 218738), (2327, 168448), (2444, 160384), (2506, 156416), (2632, 148928), (2864, 136864), (2912, 134608), (3008, 130312), (3328, 117782), (3584, 109369), (4277, 91648), (4654, 84224), (4888, 80192), (5012, 78208), (5264, 74464), (5728, 68432), (5824, 67304), (6016, 65156), (6656, 58891), (8413, 46592), (8554, 45824), (9308, 42112), (9776, 40096), (10024, 39104), (10528, 37232), (11456, 34216), (11648, 33652), (12032, 32578), (16289, 24064), (16826, 23296), (17108, 22912), (18616, 21056), (19552, 20048)]