128712064

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{77351}}^1$

素因数の和:77378

約数の個数: 32

約数和(自身を含む): 276146640

約数和(自身を除く): 147434576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 77351, 154702, 309404, 618808, 1005563, 1237616, 2011126, 2475232, 4022252, 4950464, 8044504, 9900928, 16089008, 32178016, 64356032, 128712064]

約数ペア:

[(1, 128712064), (2, 64356032), (4, 32178016), (8, 16089008), (13, 9900928), (16, 8044504), (26, 4950464), (32, 4022252), (52, 2475232), (64, 2011126), (104, 1237616), (128, 1005563), (208, 618808), (416, 309404), (832, 154702), (1664, 77351)]