28712814

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9949}}^1$

素因数の和:10004

約数の個数: 32

約数和(自身を含む): 63520800

約数和(自身を除く): 34807986

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 9949, 19898, 29847, 59694, 129337, 258674, 368113, 388011, 736226, 776022, 1104339, 2208678, 4785469, 9570938, 14356407, 28712814]

約数ペア:

[(1, 28712814), (2, 14356407), (3, 9570938), (6, 4785469), (13, 2208678), (26, 1104339), (37, 776022), (39, 736226), (74, 388011), (78, 368113), (111, 258674), (222, 129337), (481, 59694), (962, 29847), (1443, 19898), (2886, 9949)]