78971392

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 171765792

約数和(自身を除く): 92794400

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 211, 256, 272, 344, 422, 512, 544, 688, 731, 844, 1088, 1376, 1462, 1688, 2176, 2752, 2924, 3376, 3587, 4352, 5504, 5848, 6752, 7174, 8704, 9073, 11008, 11696, 13504, 14348, 18146, 22016, 23392, 27008, 28696, 36292, 46784, 54016, 57392, 72584, 93568, 108032, 114784, 145168, 154241, 187136, 229568, 290336, 308482, 374272, 459136, 580672, 616964, 918272, 1161344, 1233928, 1836544, 2322688, 2467856, 4645376, 4935712, 9871424, 19742848, 39485696, 78971392]

約数ペア:

[(1, 78971392), (2, 39485696), (4, 19742848), (8, 9871424), (16, 4935712), (17, 4645376), (32, 2467856), (34, 2322688), (43, 1836544), (64, 1233928), (68, 1161344), (86, 918272), (128, 616964), (136, 580672), (172, 459136), (211, 374272), (256, 308482), (272, 290336), (344, 229568), (422, 187136), (512, 154241), (544, 145168), (688, 114784), (731, 108032), (844, 93568), (1088, 72584), (1376, 57392), (1462, 54016), (1688, 46784), (2176, 36292), (2752, 28696), (2924, 27008), (3376, 23392), (3587, 22016), (4352, 18146), (5504, 14348), (5848, 13504), (6752, 11696), (7174, 11008), (8704, 9073)]