28784938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 53665920

約数和(自身を除く): 24880982

約数列:

[1, 2, 7, 13, 14, 26, 91, 109, 182, 218, 763, 1417, 1451, 1526, 2834, 2902, 9919, 10157, 18863, 19838, 20314, 37726, 132041, 158159, 264082, 316318, 1107113, 2056067, 2214226, 4112134, 14392469, 28784938]

約数ペア:

[(1, 28784938), (2, 14392469), (7, 4112134), (13, 2214226), (14, 2056067), (26, 1107113), (91, 316318), (109, 264082), (182, 158159), (218, 132041), (763, 37726), (1417, 20314), (1451, 19838), (1526, 18863), (2834, 10157), (2902, 9919)]