131226368

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 332403456

約数和(自身を除く): 201177088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 86, 91, 104, 112, 128, 131, 172, 182, 208, 224, 256, 262, 301, 344, 364, 416, 448, 524, 559, 602, 688, 728, 832, 896, 917, 1048, 1118, 1204, 1376, 1456, 1664, 1703, 1792, 1834, 2096, 2236, 2408, 2752, 2912, 3328, 3406, 3668, 3913, 4192, 4472, 4816, 5504, 5633, 5824, 6812, 7336, 7826, 8384, 8944, 9632, 11008, 11266, 11648, 11921, 13624, 14672, 15652, 16768, 17888, 19264, 22532, 23296, 23842, 27248, 29344, 31304, 33536, 35776, 38528, 39431, 45064, 47684, 54496, 58688, 62608, 71552, 73229, 77056, 78862, 90128, 95368, 108992, 117376, 125216, 143104, 146458, 157724, 180256, 190736, 217984, 234752, 250432, 292916, 315448, 360512, 381472, 435968, 500864, 512603, 585832, 630896, 721024, 762944, 1001728, 1025206, 1171664, 1261792, 1442048, 1525888, 2050412, 2343328, 2523584, 3051776, 4100824, 4686656, 5047168, 8201648, 9373312, 10094336, 16403296, 18746624, 32806592, 65613184, 131226368]

約数ペア:

[(1, 131226368), (2, 65613184), (4, 32806592), (7, 18746624), (8, 16403296), (13, 10094336), (14, 9373312), (16, 8201648), (26, 5047168), (28, 4686656), (32, 4100824), (43, 3051776), (52, 2523584), (56, 2343328), (64, 2050412), (86, 1525888), (91, 1442048), (104, 1261792), (112, 1171664), (128, 1025206), (131, 1001728), (172, 762944), (182, 721024), (208, 630896), (224, 585832), (256, 512603), (262, 500864), (301, 435968), (344, 381472), (364, 360512), (416, 315448), (448, 292916), (524, 250432), (559, 234752), (602, 217984), (688, 190736), (728, 180256), (832, 157724), (896, 146458), (917, 143104), (1048, 125216), (1118, 117376), (1204, 108992), (1376, 95368), (1456, 90128), (1664, 78862), (1703, 77056), (1792, 73229), (1834, 71552), (2096, 62608), (2236, 58688), (2408, 54496), (2752, 47684), (2912, 45064), (3328, 39431), (3406, 38528), (3668, 35776), (3913, 33536), (4192, 31304), (4472, 29344), (4816, 27248), (5504, 23842), (5633, 23296), (5824, 22532), (6812, 19264), (7336, 17888), (7826, 16768), (8384, 15652), (8944, 14672), (9632, 13624), (11008, 11921), (11266, 11648)]