71987012

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 128472960

約数和(自身を除く): 56485948

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 1451, 2902, 5804, 12403, 24806, 49612, 114629, 227807, 229258, 455614, 458516, 911228, 17996753, 35993506, 71987012]

約数ペア:

[(1, 71987012), (2, 35993506), (4, 17996753), (79, 911228), (157, 458516), (158, 455614), (314, 229258), (316, 227807), (628, 114629), (1451, 49612), (2902, 24806), (5804, 12403)]