128889129616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{70121}}^1\times {\mathrm{8837}}^1$

素因数の和:78979

約数の個数: 40

約数和(自身を含む): 268966394424

約数和(自身を除く): 140077264808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8837, 17674, 35348, 70121, 70696, 114881, 140242, 141392, 229762, 280484, 459524, 560968, 911573, 919048, 1121936, 1823146, 1838096, 3646292, 7292584, 14585168, 619659277, 1239318554, 2478637108, 4957274216, 8055570601, 9914548432, 16111141202, 32222282404, 64444564808, 128889129616]

約数ペア:

[(1, 128889129616), (2, 64444564808), (4, 32222282404), (8, 16111141202), (13, 9914548432), (16, 8055570601), (26, 4957274216), (52, 2478637108), (104, 1239318554), (208, 619659277), (8837, 14585168), (17674, 7292584), (35348, 3646292), (70121, 1838096), (70696, 1823146), (114881, 1121936), (140242, 919048), (141392, 911573), (229762, 560968), (280484, 459524)]