2009887984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1223}}^1\times {\mathrm{7901}}^1$

素因数の和:9145

約数の個数: 40

約数和(自身を含む): 4197668832

約数和(自身を除く): 2187780848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1223, 2446, 4892, 7901, 9784, 15802, 15899, 19568, 31604, 31798, 63208, 63596, 102713, 126416, 127192, 205426, 254384, 410852, 821704, 1643408, 9662923, 19325846, 38651692, 77303384, 125617999, 154606768, 251235998, 502471996, 1004943992, 2009887984]

約数ペア:

[(1, 2009887984), (2, 1004943992), (4, 502471996), (8, 251235998), (13, 154606768), (16, 125617999), (26, 77303384), (52, 38651692), (104, 19325846), (208, 9662923), (1223, 1643408), (2446, 821704), (4892, 410852), (7901, 254384), (9784, 205426), (15802, 127192), (15899, 126416), (19568, 102713), (31604, 63596), (31798, 63208)]