1388143744

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{834221}}^1$

素因数の和:834248

約数の個数: 32

約数和(自身を含む): 2978172540

約数和(自身を除く): 1590028796

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 834221, 1668442, 3336884, 6673768, 10844873, 13347536, 21689746, 26695072, 43379492, 53390144, 86758984, 106780288, 173517968, 347035936, 694071872, 1388143744]

約数ペア:

[(1, 1388143744), (2, 694071872), (4, 347035936), (8, 173517968), (13, 106780288), (16, 86758984), (26, 53390144), (32, 43379492), (52, 26695072), (64, 21689746), (104, 13347536), (128, 10844873), (208, 6673768), (416, 3336884), (832, 1668442), (1664, 834221)]