66765678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12517}}^1$

素因数の和:12656

約数の個数: 32

約数和(自身を含む): 153821184

約数和(自身を除く): 87055506

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 5334, 12517, 25034, 37551, 75102, 87619, 175238, 262857, 525714, 1589659, 3179318, 4768977, 9537954, 11127613, 22255226, 33382839, 66765678]

約数ペア:

[(1, 66765678), (2, 33382839), (3, 22255226), (6, 11127613), (7, 9537954), (14, 4768977), (21, 3179318), (42, 1589659), (127, 525714), (254, 262857), (381, 175238), (762, 87619), (889, 75102), (1778, 37551), (2667, 25034), (5334, 12517)]