81391232

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 179028360

約数和(自身を除く): 97637128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 328, 416, 533, 656, 832, 1066, 1193, 1312, 1664, 2132, 2386, 2624, 4264, 4772, 5248, 8528, 9544, 15509, 17056, 19088, 31018, 34112, 38176, 48913, 62036, 68224, 76352, 97826, 124072, 152704, 195652, 248144, 391304, 496288, 635869, 782608, 992576, 1271738, 1565216, 1985152, 2543476, 3130432, 5086952, 6260864, 10173904, 20347808, 40695616, 81391232]

約数ペア:

[(1, 81391232), (2, 40695616), (4, 20347808), (8, 10173904), (13, 6260864), (16, 5086952), (26, 3130432), (32, 2543476), (41, 1985152), (52, 1565216), (64, 1271738), (82, 992576), (104, 782608), (128, 635869), (164, 496288), (208, 391304), (328, 248144), (416, 195652), (533, 152704), (656, 124072), (832, 97826), (1066, 76352), (1193, 68224), (1312, 62036), (1664, 48913), (2132, 38176), (2386, 34112), (2624, 31018), (4264, 19088), (4772, 17056), (5248, 15509), (8528, 9544)]