131126528

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 108

約数和(自身を含む): 298364724

約数和(自身を除く): 167238196

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 41, 52, 62, 64, 82, 104, 124, 128, 164, 208, 248, 256, 328, 403, 416, 496, 533, 656, 806, 832, 961, 992, 1066, 1271, 1312, 1612, 1664, 1922, 1984, 2132, 2542, 2624, 3224, 3328, 3844, 3968, 4264, 5084, 5248, 6448, 7688, 7936, 8528, 10168, 10496, 12493, 12896, 15376, 16523, 17056, 20336, 24986, 25792, 30752, 33046, 34112, 39401, 40672, 49972, 51584, 61504, 66092, 68224, 78802, 81344, 99944, 103168, 123008, 132184, 136448, 157604, 162688, 199888, 246016, 264368, 315208, 325376, 399776, 512213, 528736, 630416, 799552, 1024426, 1057472, 1260832, 1599104, 2048852, 2114944, 2521664, 3198208, 4097704, 4229888, 5043328, 8195408, 10086656, 16390816, 32781632, 65563264, 131126528]

約数ペア:

[(1, 131126528), (2, 65563264), (4, 32781632), (8, 16390816), (13, 10086656), (16, 8195408), (26, 5043328), (31, 4229888), (32, 4097704), (41, 3198208), (52, 2521664), (62, 2114944), (64, 2048852), (82, 1599104), (104, 1260832), (124, 1057472), (128, 1024426), (164, 799552), (208, 630416), (248, 528736), (256, 512213), (328, 399776), (403, 325376), (416, 315208), (496, 264368), (533, 246016), (656, 199888), (806, 162688), (832, 157604), (961, 136448), (992, 132184), (1066, 123008), (1271, 103168), (1312, 99944), (1612, 81344), (1664, 78802), (1922, 68224), (1984, 66092), (2132, 61504), (2542, 51584), (2624, 49972), (3224, 40672), (3328, 39401), (3844, 34112), (3968, 33046), (4264, 30752), (5084, 25792), (5248, 24986), (6448, 20336), (7688, 17056), (7936, 16523), (8528, 15376), (10168, 12896), (10496, 12493)]