12728176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 26226000

約数和(自身を除く): 13497824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 281, 298, 304, 562, 596, 1124, 1192, 2248, 2384, 2831, 4496, 5339, 5662, 10678, 11324, 21356, 22648, 41869, 42712, 45296, 83738, 85424, 167476, 334952, 669904, 795511, 1591022, 3182044, 6364088, 12728176]

約数ペア:

[(1, 12728176), (2, 6364088), (4, 3182044), (8, 1591022), (16, 795511), (19, 669904), (38, 334952), (76, 167476), (149, 85424), (152, 83738), (281, 45296), (298, 42712), (304, 41869), (562, 22648), (596, 21356), (1124, 11324), (1192, 10678), (2248, 5662), (2384, 5339), (2831, 4496)]