138344563

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 170496000

約数和(自身を除く): 32151437

約数列:

[1, 7, 23, 73, 79, 149, 161, 511, 553, 1043, 1679, 1817, 3427, 5767, 10877, 11753, 11771, 12719, 23989, 40369, 76139, 82397, 132641, 250171, 270733, 859283, 928487, 1751197, 1895131, 6014981, 19763509, 138344563]

約数ペア:

[(1, 138344563), (7, 19763509), (23, 6014981), (73, 1895131), (79, 1751197), (149, 928487), (161, 859283), (511, 270733), (553, 250171), (1043, 132641), (1679, 82397), (1817, 76139), (3427, 40369), (5767, 23989), (10877, 12719), (11753, 11771)]