128911744

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{77471}}^1$

素因数の和:77498

約数の個数: 32

約数和(自身を含む): 276575040

約数和(自身を除く): 147663296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 77471, 154942, 309884, 619768, 1007123, 1239536, 2014246, 2479072, 4028492, 4958144, 8056984, 9916288, 16113968, 32227936, 64455872, 128911744]

約数ペア:

[(1, 128911744), (2, 64455872), (4, 32227936), (8, 16113968), (13, 9916288), (16, 8056984), (26, 4958144), (32, 4028492), (52, 2479072), (64, 2014246), (104, 1239536), (128, 1007123), (208, 619768), (416, 309884), (832, 154942), (1664, 77471)]