156782171

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 199879680

約数和(自身を除く): 43097509

約数列:

[1, 7, 13, 43, 91, 103, 301, 389, 559, 721, 1339, 2723, 3913, 4429, 5057, 9373, 16727, 31003, 35399, 40067, 57577, 117089, 217451, 280469, 403039, 520871, 1522157, 1722881, 3646097, 12060167, 22397453, 156782171]

約数ペア:

[(1, 156782171), (7, 22397453), (13, 12060167), (43, 3646097), (91, 1722881), (103, 1522157), (301, 520871), (389, 403039), (559, 280469), (721, 217451), (1339, 117089), (2723, 57577), (3913, 40067), (4429, 35399), (5057, 31003), (9373, 16727)]