163912904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{20717}}^1$

素因数の和:20789

約数の個数: 32

約数和(自身を含む): 328173120

約数和(自身を除く): 164260216

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 20717, 41434, 82868, 165736, 476491, 890831, 952982, 1781662, 1905964, 3563324, 3811928, 7126648, 20489113, 40978226, 81956452, 163912904]

約数ペア:

[(1, 163912904), (2, 81956452), (4, 40978226), (8, 20489113), (23, 7126648), (43, 3811928), (46, 3563324), (86, 1905964), (92, 1781662), (172, 952982), (184, 890831), (344, 476491), (989, 165736), (1978, 82868), (3956, 41434), (7912, 20717)]