256220168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{2281}}^1$

素因数の和:3045

約数の個数: 32

約数和(自身を含む): 506604000

約数和(自身を除く): 250383832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 739, 1478, 2281, 2956, 4562, 5912, 9124, 14041, 18248, 28082, 43339, 56164, 86678, 112328, 173356, 346712, 1685659, 3371318, 6742636, 13485272, 32027521, 64055042, 128110084, 256220168]

約数ペア:

[(1, 256220168), (2, 128110084), (4, 64055042), (8, 32027521), (19, 13485272), (38, 6742636), (76, 3371318), (152, 1685659), (739, 346712), (1478, 173356), (2281, 112328), (2956, 86678), (4562, 56164), (5912, 43339), (9124, 28082), (14041, 18248)]