128965648

素因数分解:

$2^4\times 7^2\times {\mathrm{271}}^1\times {\mathrm{607}}^1$

素因数の和:900

約数の個数: 60

約数和(自身を含む): 292219392

約数和(自身を除く): 163253744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 271, 392, 542, 607, 784, 1084, 1214, 1897, 2168, 2428, 3794, 4249, 4336, 4856, 7588, 8498, 9712, 13279, 15176, 16996, 26558, 29743, 30352, 33992, 53116, 59486, 67984, 106232, 118972, 164497, 212464, 237944, 328994, 475888, 657988, 1151479, 1315976, 2302958, 2631952, 4605916, 8060353, 9211832, 16120706, 18423664, 32241412, 64482824, 128965648]

約数ペア:

[(1, 128965648), (2, 64482824), (4, 32241412), (7, 18423664), (8, 16120706), (14, 9211832), (16, 8060353), (28, 4605916), (49, 2631952), (56, 2302958), (98, 1315976), (112, 1151479), (196, 657988), (271, 475888), (392, 328994), (542, 237944), (607, 212464), (784, 164497), (1084, 118972), (1214, 106232), (1897, 67984), (2168, 59486), (2428, 53116), (3794, 33992), (4249, 30352), (4336, 29743), (4856, 26558), (7588, 16996), (8498, 15176), (9712, 13279)]