31491328

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 70199136

約数和(自身を除く): 38707808

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 128, 176, 211, 212, 256, 352, 422, 424, 583, 704, 844, 848, 1166, 1408, 1688, 1696, 2321, 2332, 2816, 3376, 3392, 4642, 4664, 6752, 6784, 9284, 9328, 11183, 13504, 13568, 18568, 18656, 22366, 27008, 37136, 37312, 44732, 54016, 74272, 74624, 89464, 123013, 148544, 149248, 178928, 246026, 297088, 357856, 492052, 594176, 715712, 984104, 1431424, 1968208, 2862848, 3936416, 7872832, 15745664, 31491328]

約数ペア:

[(1, 31491328), (2, 15745664), (4, 7872832), (8, 3936416), (11, 2862848), (16, 1968208), (22, 1431424), (32, 984104), (44, 715712), (53, 594176), (64, 492052), (88, 357856), (106, 297088), (128, 246026), (176, 178928), (211, 149248), (212, 148544), (256, 123013), (352, 89464), (422, 74624), (424, 74272), (583, 54016), (704, 44732), (844, 37312), (848, 37136), (1166, 27008), (1408, 22366), (1688, 18656), (1696, 18568), (2321, 13568), (2332, 13504), (2816, 11183), (3376, 9328), (3392, 9284), (4642, 6784), (4664, 6752)]