81190912

素因数分解:

$2^{13}\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 112

約数和(自身を含む): 191091312

約数和(自身を除く): 109900400

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 53, 64, 68, 88, 106, 128, 136, 176, 187, 212, 256, 272, 352, 374, 424, 512, 544, 583, 704, 748, 848, 901, 1024, 1088, 1166, 1408, 1496, 1696, 1802, 2048, 2176, 2332, 2816, 2992, 3392, 3604, 4096, 4352, 4664, 5632, 5984, 6784, 7208, 8192, 8704, 9328, 9911, 11264, 11968, 13568, 14416, 17408, 18656, 19822, 22528, 23936, 27136, 28832, 34816, 37312, 39644, 45056, 47872, 54272, 57664, 69632, 74624, 79288, 90112, 95744, 108544, 115328, 139264, 149248, 158576, 191488, 217088, 230656, 298496, 317152, 382976, 434176, 461312, 596992, 634304, 765952, 922624, 1193984, 1268608, 1531904, 1845248, 2387968, 2537216, 3690496, 4775936, 5074432, 7380992, 10148864, 20297728, 40595456, 81190912]

約数ペア:

[(1, 81190912), (2, 40595456), (4, 20297728), (8, 10148864), (11, 7380992), (16, 5074432), (17, 4775936), (22, 3690496), (32, 2537216), (34, 2387968), (44, 1845248), (53, 1531904), (64, 1268608), (68, 1193984), (88, 922624), (106, 765952), (128, 634304), (136, 596992), (176, 461312), (187, 434176), (212, 382976), (256, 317152), (272, 298496), (352, 230656), (374, 217088), (424, 191488), (512, 158576), (544, 149248), (583, 139264), (704, 115328), (748, 108544), (848, 95744), (901, 90112), (1024, 79288), (1088, 74624), (1166, 69632), (1408, 57664), (1496, 54272), (1696, 47872), (1802, 45056), (2048, 39644), (2176, 37312), (2332, 34816), (2816, 28832), (2992, 27136), (3392, 23936), (3604, 22528), (4096, 19822), (4352, 18656), (4664, 17408), (5632, 14416), (5984, 13568), (6784, 11968), (7208, 11264), (8192, 9911), (8704, 9328)]