219951355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6421}}^1$

素因数の和:6487

約数の個数: 32

約数和(自身を含む): 310722048

約数和(自身を除く): 90770693

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2635, 6421, 6851, 32105, 34255, 83473, 109157, 199051, 417365, 545785, 995255, 1419041, 2587663, 3383867, 7095205, 12938315, 16919335, 43990271, 219951355]

約数ペア:

[(1, 219951355), (5, 43990271), (13, 16919335), (17, 12938315), (31, 7095205), (65, 3383867), (85, 2587663), (155, 1419041), (221, 995255), (403, 545785), (527, 417365), (1105, 199051), (2015, 109157), (2635, 83473), (6421, 34255), (6851, 32105)]