38817519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 57953280

約数和(自身を除く): 19135761

約数列:

[1, 3, 13, 39, 43, 79, 129, 237, 293, 559, 879, 1027, 1677, 3081, 3397, 3809, 10191, 11427, 12599, 23147, 37797, 44161, 69441, 132483, 163787, 300911, 491361, 902733, 995321, 2985963, 12939173, 38817519]

約数ペア:

[(1, 38817519), (3, 12939173), (13, 2985963), (39, 995321), (43, 902733), (79, 491361), (129, 300911), (237, 163787), (293, 132483), (559, 69441), (879, 44161), (1027, 37797), (1677, 23147), (3081, 12599), (3397, 11427), (3809, 10191)]