215848438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 354816000

約数和(自身を除く): 138967562

約数列:

[1, 2, 13, 26, 127, 131, 254, 262, 499, 998, 1651, 1703, 3302, 3406, 6487, 12974, 16637, 33274, 63373, 65369, 126746, 130738, 216281, 432562, 823849, 849797, 1647698, 1699594, 8301863, 16603726, 107924219, 215848438]

約数ペア:

[(1, 215848438), (2, 107924219), (13, 16603726), (26, 8301863), (127, 1699594), (131, 1647698), (254, 849797), (262, 823849), (499, 432562), (998, 216281), (1651, 130738), (1703, 126746), (3302, 65369), (3406, 63373), (6487, 33274), (12974, 16637)]