7840217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 10782720

約数和(自身を除く): 2942503

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 233, 253, 437, 1463, 1631, 1771, 2563, 3059, 4427, 4807, 5359, 17941, 30989, 33649, 37513, 48697, 58949, 101821, 340879, 412643, 712747, 1120031, 7840217]

約数ペア:

[(1, 7840217), (7, 1120031), (11, 712747), (19, 412643), (23, 340879), (77, 101821), (133, 58949), (161, 48697), (209, 37513), (233, 33649), (253, 30989), (437, 17941), (1463, 5359), (1631, 4807), (1771, 4427), (2563, 3059)]