90291968

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{2087}}^1$

素因数の和:2129

約数の個数: 54

約数和(自身を含む): 195255144

約数和(自身を除く): 104963176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2087, 2704, 3328, 4174, 5408, 8348, 10816, 16696, 21632, 27131, 33392, 43264, 54262, 66784, 108524, 133568, 217048, 267136, 352703, 434096, 534272, 705406, 868192, 1410812, 1736384, 2821624, 3472768, 5643248, 6945536, 11286496, 22572992, 45145984, 90291968]

約数ペア:

[(1, 90291968), (2, 45145984), (4, 22572992), (8, 11286496), (13, 6945536), (16, 5643248), (26, 3472768), (32, 2821624), (52, 1736384), (64, 1410812), (104, 868192), (128, 705406), (169, 534272), (208, 434096), (256, 352703), (338, 267136), (416, 217048), (676, 133568), (832, 108524), (1352, 66784), (1664, 54262), (2087, 43264), (2704, 33392), (3328, 27131), (4174, 21632), (5408, 16696), (8348, 10816)]