56128158

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 125638656

約数和(自身を除く): 69510498

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 254, 258, 381, 387, 571, 762, 774, 1142, 1143, 1713, 2286, 3426, 5139, 5461, 10278, 10922, 16383, 24553, 32766, 49106, 49149, 72517, 73659, 98298, 145034, 147318, 217551, 220977, 435102, 441954, 652653, 1305306, 3118231, 6236462, 9354693, 18709386, 28064079, 56128158]

約数ペア:

[(1, 56128158), (2, 28064079), (3, 18709386), (6, 9354693), (9, 6236462), (18, 3118231), (43, 1305306), (86, 652653), (127, 441954), (129, 435102), (254, 220977), (258, 217551), (381, 147318), (387, 145034), (571, 98298), (762, 73659), (774, 72517), (1142, 49149), (1143, 49106), (1713, 32766), (2286, 24553), (3426, 16383), (5139, 10922), (5461, 10278)]