247746265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3323}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 339526656

約数和(自身を除く): 91780391

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 481, 1147, 2015, 2405, 3323, 5735, 14911, 16615, 43199, 74555, 103013, 122951, 215995, 515065, 614755, 1339169, 1598363, 3811481, 6695845, 7991815, 19057405, 49549253, 247746265]

約数ペア:

[(1, 247746265), (5, 49549253), (13, 19057405), (31, 7991815), (37, 6695845), (65, 3811481), (155, 1598363), (185, 1339169), (403, 614755), (481, 515065), (1147, 215995), (2015, 122951), (2405, 103013), (3323, 74555), (5735, 43199), (14911, 16615)]