28939716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61837}}^1$

素因数の和:61860

約数の個数: 36

約数和(自身を含む): 78781612

約数和(自身を除く): 49841896

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61837, 123674, 185511, 247348, 371022, 556533, 742044, 803881, 1113066, 1607762, 2226132, 2411643, 3215524, 4823286, 7234929, 9646572, 14469858, 28939716]

約数ペア:

[(1, 28939716), (2, 14469858), (3, 9646572), (4, 7234929), (6, 4823286), (9, 3215524), (12, 2411643), (13, 2226132), (18, 1607762), (26, 1113066), (36, 803881), (39, 742044), (52, 556533), (78, 371022), (117, 247348), (156, 185511), (234, 123674), (468, 61837)]