74940047

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 98380800

約数和(自身を除く): 23440753

約数列:

[1, 7, 13, 19, 89, 91, 133, 247, 487, 623, 1157, 1691, 1729, 3409, 6331, 8099, 9253, 11837, 21983, 43343, 44317, 64771, 120289, 153881, 303401, 563459, 823517, 842023, 3944213, 5764619, 10705721, 74940047]

約数ペア:

[(1, 74940047), (7, 10705721), (13, 5764619), (19, 3944213), (89, 842023), (91, 823517), (133, 563459), (247, 303401), (487, 153881), (623, 120289), (1157, 64771), (1691, 44317), (1729, 43343), (3409, 21983), (6331, 11837), (8099, 9253)]