31163209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 9387191

約数列:

[1, 7, 11, 47, 77, 79, 109, 329, 517, 553, 763, 869, 1199, 3619, 3713, 5123, 6083, 8393, 8611, 25991, 35861, 40843, 56353, 60277, 94721, 285901, 394471, 404717, 663047, 2833019, 4451887, 31163209]

約数ペア:

[(1, 31163209), (7, 4451887), (11, 2833019), (47, 663047), (77, 404717), (79, 394471), (109, 285901), (329, 94721), (517, 60277), (553, 56353), (763, 40843), (869, 35861), (1199, 25991), (3619, 8611), (3713, 8393), (5123, 6083)]