2009013968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2971}}^1\times {\mathrm{3251}}^1$

素因数の和:6243

約数の個数: 40

約数和(自身を含む): 4194585696

約数和(自身を除く): 2185571728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2971, 3251, 5942, 6502, 11884, 13004, 23768, 26008, 38623, 42263, 47536, 52016, 77246, 84526, 154492, 169052, 308984, 338104, 617968, 676208, 9658721, 19317442, 38634884, 77269768, 125563373, 154539536, 251126746, 502253492, 1004506984, 2009013968]

約数ペア:

[(1, 2009013968), (2, 1004506984), (4, 502253492), (8, 251126746), (13, 154539536), (16, 125563373), (26, 77269768), (52, 38634884), (104, 19317442), (208, 9658721), (2971, 676208), (3251, 617968), (5942, 338104), (6502, 308984), (11884, 169052), (13004, 154492), (23768, 84526), (26008, 77246), (38623, 52016), (42263, 47536)]