256389075

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{13729}}^1$

素因数の和:13828

約数の個数: 36

約数和(自身を含む): 464787960

約数和(自身を除く): 208398885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1245, 2075, 3735, 6225, 13729, 18675, 41187, 68645, 123561, 205935, 343225, 617805, 1029675, 1139507, 3089025, 3418521, 5697535, 10255563, 17092605, 28487675, 51277815, 85463025, 256389075]

約数ペア:

[(1, 256389075), (3, 85463025), (5, 51277815), (9, 28487675), (15, 17092605), (25, 10255563), (45, 5697535), (75, 3418521), (83, 3089025), (225, 1139507), (249, 1029675), (415, 617805), (747, 343225), (1245, 205935), (2075, 123561), (3735, 68645), (6225, 41187), (13729, 18675)]