16615775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 24427008

約数和(自身を除く): 7811233

約数列:

[1, 5, 11, 23, 25, 37, 55, 71, 115, 185, 253, 275, 355, 407, 575, 781, 851, 925, 1265, 1633, 1775, 2035, 2627, 3905, 4255, 6325, 8165, 9361, 10175, 13135, 17963, 19525, 21275, 28897, 40825, 46805, 60421, 65675, 89815, 144485, 234025, 302105, 449075, 664631, 722425, 1510525, 3323155, 16615775]

約数ペア:

[(1, 16615775), (5, 3323155), (11, 1510525), (23, 722425), (25, 664631), (37, 449075), (55, 302105), (71, 234025), (115, 144485), (185, 89815), (253, 65675), (275, 60421), (355, 46805), (407, 40825), (575, 28897), (781, 21275), (851, 19525), (925, 17963), (1265, 13135), (1633, 10175), (1775, 9361), (2035, 8165), (2627, 6325), (3905, 4255)]