81720704

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 178185840

約数和(自身を除く): 96465136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 268, 416, 536, 733, 832, 871, 1072, 1466, 1664, 1742, 2144, 2932, 3484, 4288, 5864, 6968, 8576, 9529, 11728, 13936, 19058, 23456, 27872, 38116, 46912, 49111, 55744, 76232, 93824, 98222, 111488, 152464, 196444, 304928, 392888, 609856, 638443, 785776, 1219712, 1276886, 1571552, 2553772, 3143104, 5107544, 6286208, 10215088, 20430176, 40860352, 81720704]

約数ペア:

[(1, 81720704), (2, 40860352), (4, 20430176), (8, 10215088), (13, 6286208), (16, 5107544), (26, 3143104), (32, 2553772), (52, 1571552), (64, 1276886), (67, 1219712), (104, 785776), (128, 638443), (134, 609856), (208, 392888), (268, 304928), (416, 196444), (536, 152464), (733, 111488), (832, 98222), (871, 93824), (1072, 76232), (1466, 55744), (1664, 49111), (1742, 46912), (2144, 38116), (2932, 27872), (3484, 23456), (4288, 19058), (5864, 13936), (6968, 11728), (8576, 9529)]