217558208

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 112

約数和(自身を含む): 529132800

約数和(自身を除く): 311574592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 64, 76, 112, 122, 133, 152, 224, 244, 266, 304, 419, 427, 448, 488, 532, 608, 838, 854, 976, 1064, 1159, 1216, 1676, 1708, 1952, 2128, 2318, 2933, 3352, 3416, 3904, 4256, 4636, 5866, 6704, 6832, 7961, 8113, 8512, 9272, 11732, 13408, 13664, 15922, 16226, 18544, 23464, 25559, 26816, 27328, 31844, 32452, 37088, 46928, 51118, 55727, 63688, 64904, 74176, 93856, 102236, 111454, 127376, 129808, 178913, 187712, 204472, 222908, 254752, 259616, 357826, 408944, 445816, 485621, 509504, 519232, 715652, 817888, 891632, 971242, 1431304, 1635776, 1783264, 1942484, 2862608, 3399347, 3566528, 3884968, 5725216, 6798694, 7769936, 11450432, 13597388, 15539872, 27194776, 31079744, 54389552, 108779104, 217558208]

約数ペア:

[(1, 217558208), (2, 108779104), (4, 54389552), (7, 31079744), (8, 27194776), (14, 15539872), (16, 13597388), (19, 11450432), (28, 7769936), (32, 6798694), (38, 5725216), (56, 3884968), (61, 3566528), (64, 3399347), (76, 2862608), (112, 1942484), (122, 1783264), (133, 1635776), (152, 1431304), (224, 971242), (244, 891632), (266, 817888), (304, 715652), (419, 519232), (427, 509504), (448, 485621), (488, 445816), (532, 408944), (608, 357826), (838, 259616), (854, 254752), (976, 222908), (1064, 204472), (1159, 187712), (1216, 178913), (1676, 129808), (1708, 127376), (1952, 111454), (2128, 102236), (2318, 93856), (2933, 74176), (3352, 64904), (3416, 63688), (3904, 55727), (4256, 51118), (4636, 46928), (5866, 37088), (6704, 32452), (6832, 31844), (7961, 27328), (8113, 26816), (8512, 25559), (9272, 23464), (11732, 18544), (13408, 16226), (13664, 15922)]