262981264

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7853}}^1$

素因数の和:7904

約数の個数: 80

約数和(自身を含む): 654458112

約数和(自身を除く): 391476848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 1196, 1288, 1456, 2093, 2392, 2576, 4186, 4784, 7853, 8372, 15706, 16744, 31412, 33488, 54971, 62824, 102089, 109942, 125648, 180619, 204178, 219884, 361238, 408356, 439768, 714623, 722476, 816712, 879536, 1264333, 1429246, 1444952, 1633424, 2348047, 2528666, 2858492, 2889904, 4696094, 5057332, 5716984, 9392188, 10114664, 11433968, 16436329, 18784376, 20229328, 32872658, 37568752, 65745316, 131490632, 262981264]

約数ペア:

[(1, 262981264), (2, 131490632), (4, 65745316), (7, 37568752), (8, 32872658), (13, 20229328), (14, 18784376), (16, 16436329), (23, 11433968), (26, 10114664), (28, 9392188), (46, 5716984), (52, 5057332), (56, 4696094), (91, 2889904), (92, 2858492), (104, 2528666), (112, 2348047), (161, 1633424), (182, 1444952), (184, 1429246), (208, 1264333), (299, 879536), (322, 816712), (364, 722476), (368, 714623), (598, 439768), (644, 408356), (728, 361238), (1196, 219884), (1288, 204178), (1456, 180619), (2093, 125648), (2392, 109942), (2576, 102089), (4186, 62824), (4784, 54971), (7853, 33488), (8372, 31412), (15706, 16744)]