898431037

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 1099008000

約数和(自身を除く): 200576963

約数列:

[1, 7, 23, 53, 161, 211, 371, 499, 1219, 1477, 3493, 4853, 8533, 11183, 11477, 26447, 33971, 78281, 80339, 105289, 185129, 257209, 608281, 737023, 1800463, 2421647, 4257967, 5580317, 16951529, 39062219, 128347291, 898431037]

約数ペア:

[(1, 898431037), (7, 128347291), (23, 39062219), (53, 16951529), (161, 5580317), (211, 4257967), (371, 2421647), (499, 1800463), (1219, 737023), (1477, 608281), (3493, 257209), (4853, 185129), (8533, 105289), (11183, 80339), (11477, 78281), (26447, 33971)]