217423232

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 516114900

約数和(自身を除く): 298691668

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 64, 76, 92, 104, 128, 152, 169, 184, 208, 247, 299, 304, 338, 368, 416, 437, 494, 529, 598, 608, 676, 736, 832, 874, 988, 1058, 1196, 1216, 1352, 1472, 1664, 1748, 1976, 2116, 2392, 2432, 2704, 2944, 3211, 3496, 3887, 3952, 4232, 4784, 5408, 5681, 6422, 6877, 6992, 7774, 7904, 8464, 9568, 10051, 10816, 11362, 12844, 13754, 13984, 15548, 15808, 16928, 19136, 20102, 21632, 22724, 25688, 27508, 27968, 31096, 31616, 33856, 38272, 40204, 45448, 51376, 55016, 55936, 62192, 67712, 73853, 80408, 89401, 90896, 102752, 110032, 124384, 130663, 147706, 160816, 178802, 181792, 205504, 220064, 248768, 261326, 295412, 321632, 357604, 363584, 411008, 440128, 497536, 522652, 590824, 643264, 715208, 727168, 880256, 1045304, 1181648, 1286528, 1430416, 1698619, 2090608, 2363296, 2860832, 3397238, 4181216, 4726592, 5721664, 6794476, 8362432, 9453184, 11443328, 13588952, 16724864, 27177904, 54355808, 108711616, 217423232]

約数ペア:

[(1, 217423232), (2, 108711616), (4, 54355808), (8, 27177904), (13, 16724864), (16, 13588952), (19, 11443328), (23, 9453184), (26, 8362432), (32, 6794476), (38, 5721664), (46, 4726592), (52, 4181216), (64, 3397238), (76, 2860832), (92, 2363296), (104, 2090608), (128, 1698619), (152, 1430416), (169, 1286528), (184, 1181648), (208, 1045304), (247, 880256), (299, 727168), (304, 715208), (338, 643264), (368, 590824), (416, 522652), (437, 497536), (494, 440128), (529, 411008), (598, 363584), (608, 357604), (676, 321632), (736, 295412), (832, 261326), (874, 248768), (988, 220064), (1058, 205504), (1196, 181792), (1216, 178802), (1352, 160816), (1472, 147706), (1664, 130663), (1748, 124384), (1976, 110032), (2116, 102752), (2392, 90896), (2432, 89401), (2704, 80408), (2944, 73853), (3211, 67712), (3496, 62192), (3887, 55936), (3952, 55016), (4232, 51376), (4784, 45448), (5408, 40204), (5681, 38272), (6422, 33856), (6877, 31616), (6992, 31096), (7774, 27968), (7904, 27508), (8464, 25688), (9568, 22724), (10051, 21632), (10816, 20102), (11362, 19136), (12844, 16928), (13754, 15808), (13984, 15548)]