81424288

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1286

約数の個数: 72

約数和(自身を含む): 186717636

約数和(自身を除く): 105293348

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 352, 374, 484, 544, 748, 968, 1237, 1496, 1936, 2057, 2474, 2992, 3872, 4114, 4948, 5984, 8228, 9896, 13607, 16456, 19792, 21029, 27214, 32912, 39584, 42058, 54428, 65824, 84116, 108856, 149677, 168232, 217712, 231319, 299354, 336464, 435424, 462638, 598708, 672928, 925276, 1197416, 1850552, 2394832, 2544509, 3701104, 4789664, 5089018, 7402208, 10178036, 20356072, 40712144, 81424288]

約数ペア:

[(1, 81424288), (2, 40712144), (4, 20356072), (8, 10178036), (11, 7402208), (16, 5089018), (17, 4789664), (22, 3701104), (32, 2544509), (34, 2394832), (44, 1850552), (68, 1197416), (88, 925276), (121, 672928), (136, 598708), (176, 462638), (187, 435424), (242, 336464), (272, 299354), (352, 231319), (374, 217712), (484, 168232), (544, 149677), (748, 108856), (968, 84116), (1237, 65824), (1496, 54428), (1936, 42058), (2057, 39584), (2474, 32912), (2992, 27214), (3872, 21029), (4114, 19792), (4948, 16456), (5984, 13607), (8228, 9896)]